Default [Q] Wintec Filemate Clear T720 I flashed a bad CWM recovery

Hello,

on my Wintec Filemate Clear T720 I flashed a bad CWM recovery (CWM-based Recovery v6.0.1.0 for A10C (LY-F1/TREQ) by flowish) was is not designed for my device. First I had think, that A10 means the processor. But it isn't. It's a another product!

Now the tablet boots only in recovery or bootloader mode.
I can't install anything, because I get the following errors:
E:Can't mount /cache/recovery/command
E:Can't mount /cache/recovery/log
E:Can't open /cache/recovery/log
E:Can't mount /cache/recovery/last_log
E:Can't open /cache/recovery/last_log

Even, the original T720BK07-update_20121214.zip isn't installable. It's Android 4.0.3

In recovery mode, I can put adb commands, but after reboot, the tablet goes allways in CWM recovery.
I can boot into the bootloader too.
Livesuit or PhoenixUSBPro shows allways Error 0x120 or 0x162, based on the image I like to flash.
Livesuit shows "Image file invalid" or "No device that need to update !" based on the images i tryed.

Here are some infos I get from adb in recovery mode:
adb devices
List of devices attached
2008044236 recovery
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cat /proc/cpuinfo
Processor : ARMv7 Processor rev 2 (v7l)
BogoMIPS : 59.63
Features : swp half thumb fastmult vfp edsp neon vfpv3
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x3
CPU part : 0xc08
CPU revision : 2
Hardware : sun4i
Revision : 0000
Serial : 0000000000000000
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cat /proc/partitions
major minor #blocks name
179 0 7977472 mmcblk0
179 1 7446096 mmcblk0p1
179 2 500162 mmcblk0p2
179 3 31182 mmcblk0
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cat diskstats
1 0 ram0 0 0 0 0 0 0 0 0 0 0 0
1 1 ram1 0 0 0 0 0 0 0 0 0 0 0
7 0 loop0 0 0 0 0 0 0 0 0 0 0 0
7 1 loop1 0 0 0 0 0 0 0 0 0 0 0
7 2 loop2 0 0 0 0 0 0 0 0 0 0 0
7 3 loop3 0 0 0 0 0 0 0 0 0 0 0
7 4 loop4 0 0 0 0 0 0 0 0 0 0 0
7 5 loop5 0 0 0 0 0 0 0 0 0 0 0
7 6 loop6 0 0 0 0 0 0 0 0 0 0 0
7 7 loop7 0 0 0 0 0 0 0 0 0 0 0
179 0 mmcblk0 180 15379 15566 740 15 30 45 790 0 790 1530
179 1 mmcblk0p1 179 15379 15558 740 15 30 45 790 0 790 1530
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adb shell df
Filesystem 1K-blocks Used Available Use% Mounted on
tmpfs 416864 52 416812 0% /dev
tmpfs 416864 4 416860 0% /tmp
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cat /proc/mounts
rootfs / rootfs rw 0 0
tmpfs /dev tmpfs rw,nosuid,relatime,mode=755 0 0
devpts /dev/pts devpts rw,relatime,mode=600,ptmxmode=000 0 0
proc /proc proc rw,relatime 0 0
sysfs /sys sysfs rw,relatime 0 0
tmpfs /tmp tmpfs rw,relatime 0 0
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df -h
Filesystem Size Used Available Use% Mounted on
tmpfs 407.1M 52.0K 407.0M 0% /dev
tmpfs 407.1M 4.0K 407.1M 0% /tmp
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adb shell ls
boot emmc sd-ext
bootloader etc sdcard
busybox init sys
cache init.rc system
data proc tmp
datadata res ueventd.goldfish.rc
default.prop root ueventd.rc
dev sbin ueventd.sun4i.rc
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Has someone an idea to repair my tablet?

Best regards

Walter