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发明名称
Trimming die
摘要
申请公布号
US2229393(A)
申请公布日期
1941.01.21
申请号
US19400339575
申请日期
1940.06.08
申请人
GENERAL MOTORS CORPORATION
发明人
STEFFEN WILLIAM H.
分类号
B23D31/00
主分类号
B23D31/00
代理机构
代理人
主权项
地址
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