Method of making pipe bends or the like,申请号US19310525166-传众专利搜索

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发明名称	Method of making pipe bends or the like
摘要
申请公布号	US1908373(A)	申请公布日期	1933.05.09
申请号	US19310525166	申请日期	1931.03.25
申请人	GENERAL FIRE EXTINGUISHER COMPANY	发明人	LOEPSINGER ALBERT J.
分类号	B21D7/08	主分类号	B21D7/08
代理机构		代理人
主权项
地址

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