Improvements in or relating to combined pressure and vacuum relief valves,申请号GB19540032122-传众专利搜索

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发明名称	Improvements in or relating to combined pressure and vacuum relief valves
摘要
申请公布号	GB777603(A)	申请公布日期	1957.06.26
申请号	GB19540032122	申请日期	1954.11.05
申请人	ELLIS ROBERT CHAMBERLAIN;BLUNDELL & CROMPTON LIMITED	发明人
分类号	F16K17/196;F16K24/00	主分类号	F16K17/196
代理机构		代理人
主权项
地址

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