Signal type torque indicating wrench,申请号US19450571296-传众专利搜索

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发明名称	Signal type torque indicating wrench
摘要
申请公布号	US2448095(A)	申请公布日期	1948.08.31
申请号	US19450571296	申请日期	1945.01.04
申请人	GEORGE HALLETT ERNEST;CANFIELD BROWN ANDREW	发明人	HALLETT ERNEST GEORGE;BROWN ANDREW CANFIELD
分类号	B25B23/142;B25B23/143	主分类号	B25B23/142
代理机构		代理人
主权项
地址

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