Improvements in and relating to pipe socket couplings,申请号GB19590000243-传众专利搜索

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发明名称	Improvements in and relating to pipe socket couplings
摘要
申请公布号	GB839450(A)	申请公布日期	1960.06.29
申请号	GB19590000243	申请日期	1959.01.02
申请人	OLIVER JOHNSTAD	发明人
分类号	F16L21/04	主分类号	F16L21/04
代理机构		代理人
主权项
地址

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