Double-acting ratchet mechanism,申请号US19370170245-传众专利搜索

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发明名称	Double-acting ratchet mechanism
摘要
申请公布号	US2160753(A)	申请公布日期	1939.05.30
申请号	US19370170245	申请日期	1937.10.21
申请人	THE UNITED STATES METALLIC PACKING COMPANY	发明人	JR. JOSEPH W. PRICE,
分类号	F16N13/12	主分类号	F16N13/12
代理机构		代理人
主权项
地址

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