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发明名称
Process of making tools
摘要
申请公布号
US2275021(A)
申请公布日期
1942.03.03
申请号
US19380216930
申请日期
1938.07.01
申请人
BUDD INDUCTION HEATING, INC.
发明人
SOMES HOWARD E.
分类号
B23P15/30;C21D1/10
主分类号
B23P15/30
代理机构
代理人
主权项
地址
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