发明名称 |
Precision chuck |
摘要 |
|
申请公布号 |
US2463857(A) |
申请公布日期 |
1949.03.08 |
申请号 |
US19450595599 |
申请日期 |
1945.05.24 |
申请人 |
HERMAN DIETZ |
发明人 |
DIETZ HERMAN |
分类号 |
B23B31/20 |
主分类号 |
B23B31/20 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|
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