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发明名称
Method of producing tools
摘要
申请公布号
US2338990(A)
申请公布日期
1944.01.11
申请号
US19410406948
申请日期
1941.08.15
申请人
FRIEDRICH WENZEL
发明人
WENZEL FRIEDRICH
分类号
B23P15/34
主分类号
B23P15/34
代理机构
代理人
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