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Patents

Current position: Home  >  Scientific Research  >  Patents

一种钢铁表面直接生成黑色微弧氧化膜层的方法

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Type of Patent:发明

State of Patent:已授权

Authorization number:201510182678.0

Service Invention or Not:no

Application Date:2015-04-17

Authorization Date:2017-09-29

Application Date:2015-04-17

Authorization Date:2017-09-29