Pipe fitting and method of making the same,申请号US19320589595-传众专利搜索

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发明名称	Pipe fitting and method of making the same
摘要
申请公布号	US1850049(A)	申请公布日期	1932.03.15
申请号	US19320589595	申请日期	1932.01.29
申请人	CORNELL JR EDWARD S	发明人	JR. EDWARD S. CORNELL,
分类号	B21C37/29	主分类号	B21C37/29
代理机构		代理人
主权项
地址

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