Improvements in and relating to relief valves,申请号GB19430007367-传众专利搜索

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发明名称	Improvements in and relating to relief valves
摘要
申请公布号	GB577836(A)	申请公布日期	1946.06.03
申请号	GB19430007367	申请日期	1943.05.10
申请人	WALTER ERNST	发明人
分类号	F16K17/04	主分类号	F16K17/04
代理机构		代理人
主权项
地址

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