Improvements relating to sealing rings for sealing pipes,申请号GB19590041465-传众专利搜索

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发明名称	Improvements relating to sealing rings for sealing pipes
摘要
申请公布号	GB923129(A)	申请公布日期	1963.04.10
申请号	GB19590041465	申请日期	1959.12.07
申请人	ANDREW JAMES WILLIAM THOMSON	发明人
分类号	F16L21/025	主分类号	F16L21/025
代理机构		代理人
主权项
地址

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