上述全部事项确认无误，涂改无效。

All concerned above are affirmed and alteration invalid.

youdao

检测报告未经许可不得拆散复印，报告涂改无效。

Detection report shall not be copied without authorized, detection report is invalid with any alter.

youdao

报告涂改无效。

Test report is invalid if altered.

youdao

收藏证书上注明的所有内容均具有其真实性，合法性，涂改无效。

What is given clear indication on the the collection certificate all has authenticity, validity and it is be no effect when being altered.

youdao

收藏证书上注明的所有内容均具有其真实性，合法性，涂改无效。

What is given clear indication on the the collection certificate all has authenticity, validity and it is be no effect when being altered.

youdao