Pipe end shaper,申请号US19440556467-传众专利搜索

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发明名称	Pipe end shaper
摘要
申请公布号	US2429052(A)	申请公布日期	1947.10.14
申请号	US19440556467	申请日期	1944.09.29
申请人	FORBES JR ARTHUR L	发明人	JR. ARTHUR L. FORBES,
分类号	B23K7/00	主分类号	B23K7/00
代理机构		代理人
主权项
地址

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