Method of making nipples for pipe unions for coupling sections of pipes,申请号US19390295374-传众专利搜索

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发明名称	Method of making nipples for pipe unions for coupling sections of pipes
摘要
申请公布号	US2229669(A)	申请公布日期	1941.01.28
申请号	US19390295374	申请日期	1939.09.18
申请人	OREMUS GORDON W	发明人	OREMUS GORDON W.
分类号	B22C9/24	主分类号	B22C9/24
代理机构		代理人
主权项
地址

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