Apparatus for flanging pipes inwardly or outwardly,申请号US19450596937-传众专利搜索

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发明名称	Apparatus for flanging pipes inwardly or outwardly
摘要
申请公布号	US2427003(A)	申请公布日期	1947.09.09
申请号	US19450596937	申请日期	1945.05.31
申请人	JOHNSON HERBERT L	发明人	JOHNSON HERBERT L.
分类号	B21D19/04	主分类号	B21D19/04
代理机构		代理人
主权项
地址

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