Manual pipe bending vise,申请号US19470731113-传众专利搜索

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发明名称	Manual pipe bending vise
摘要
申请公布号	US2492491(A)	申请公布日期	1949.12.27
申请号	US19470731113	申请日期	1947.02.26
申请人	MCCALLA FREDERICK J	发明人	MCCALLA FREDERICK J.
分类号	B21D7/06	主分类号	B21D7/06
代理机构		代理人
主权项
地址

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