Apparatus for manufacturing bolts and similar articles,申请号US19350015975-传众专利搜索

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发明名称	Apparatus for manufacturing bolts and similar articles
摘要
申请公布号	US2102417(A)	申请公布日期	1937.12.14
申请号	US19350015975	申请日期	1935.04.12
申请人	BETHLEHEM STEEL COMPANY	发明人	KINNEY JAMES A.
分类号	B21K1/44	主分类号	B21K1/44
代理机构		代理人
主权项
地址

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