Method of making pipe bends,申请号US19310567096-传众专利搜索

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发明名称	Method of making pipe bends
摘要
申请公布号	US1975045(A)	申请公布日期	1934.09.25
申请号	US19310567096	申请日期	1931.10.05
申请人	WACLAW KOSSOWSKI	发明人	KOSSOWSKI WACLAW
分类号	B21D9/14	主分类号	B21D9/14
代理机构		代理人
主权项
地址

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