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发明名称
Diestock
摘要
申请公布号
US2242954(A)
申请公布日期
1941.05.20
申请号
US19390311644
申请日期
1939.12.29
申请人
THE RIDGE TOOL COMPANY
发明人
INGWER CARL H.
分类号
B23G1/22
主分类号
B23G1/22
代理机构
代理人
主权项
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