Improvements in or relating to safety valves,申请号GB19300027455-传众专利搜索

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发明名称	Improvements in or relating to safety valves
摘要
申请公布号	GB358685(A)	申请公布日期	1931.10.15
申请号	GB19300027455	申请日期	1930.09.15
申请人	LOUIS FREDERICK NORRIE	发明人
分类号	F16K17/08	主分类号	F16K17/08
代理机构		代理人
主权项
地址

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