一种笔头用含铅易切削不锈钢冶炼中的加铅工艺
Release time:2024-08-09
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- Affilication of Author(s):
- 机电工程学院
- Scope of patent:
- 国内
- Disigner of the Invention:
- 王哲
- Note:
- 20161025归档
- Type of Patent:
- 发明专利
- State of Patent:
- 专利授权
- Application Number:
- 201310332559.x
- Service Invention or Not:
- yes
- Application Date:
- 2013-08-01
- Authorization Date:
- 2015-07-01
- First Author:
- wang fazhan
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