Language : English
王云龙

Patents

一种钢铁表面磁性微弧氧化膜层的制备方法

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Type of Patent:发明

State of Patent:已授权

Authorization number:201510182837.7

Service Invention or Not:no

Application Date:2015-04-17

Authorization Date:2017-11-17

Application Date:2015-04-17

Authorization Date:2017-11-17