Portable pipe straightener,申请号US19390289820-传众专利搜索

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发明名称	Portable pipe straightener
摘要
申请公布号	US2277188(A)	申请公布日期	1942.03.24
申请号	US19390289820	申请日期	1939.08.12
申请人	SHAFFER TOOL WORKS	发明人	STONE CLIFFORD E. VAN;JOHNSON ARTHUR E.
分类号	B21D3/10	主分类号	B21D3/10
代理机构		代理人
主权项
地址

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