Method of and machine for cutting holes,申请号US19270189416-传众专利搜索

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发明名称	Method of and machine for cutting holes
摘要
申请公布号	US1812239(A)	申请公布日期	1931.06.30
申请号	US19270189416	申请日期	1927.05.06
申请人	THE FIRM AUTOGEN GASACCUMULATOR AKTIENGESELLSCHAFT	发明人	HENTSCHEL HERMANN;GREGGERSEN HANS
分类号	B23K7/10	主分类号	B23K7/10
代理机构		代理人
主权项
地址

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