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Dongguan Zhongzhi Testing Instruments Co.,Ltd

salt spray test machine,temperature humidity test machine,universal testing m...

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Utility Model Patent Certificate
Upload Date: 2013-07-04        Hits:141        Back to List
Certifying Authority:   The intellectual property bureau of the People's Republic of China Issue Date:   2011-11-30
Upload Date:   2013-07-04 Valid until:   Forever
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Utility Model Patent Certificate