Improvements relating to devices for compressing the seals for pipe joints of the bell and spigot type,申请号GB19570017487-传众专利搜索

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发明名称	Improvements relating to devices for compressing the seals for pipe joints of the bell and spigot type
摘要
申请公布号	GB831294(A)	申请公布日期	1960.03.30
申请号	GB19570017487	申请日期	1957.06.01
申请人	PLATT MALLEABLE CASTINGS LIMITED	发明人	HARVEY ANTHONY GILBERT
分类号	F16L21/04;F16L55/178	主分类号	F16L21/04
代理机构		代理人
主权项
地址

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