Improvements relating to packing rings for use on double acting pistons,申请号GB19590025202-传众专利搜索

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发明名称	Improvements relating to packing rings for use on double acting pistons
摘要
申请公布号	GB857748(A)	申请公布日期	1961.01.04
申请号	GB19590025202	申请日期	1959.07.22
申请人	HALL & HALL LIMITED	发明人	JARVIS JACK STANLEY
分类号	F16J15/32	主分类号	F16J15/32
代理机构		代理人
主权项
地址

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