Improvements in or relating to valves,申请号GB19530028301-传众专利搜索

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发明名称	Improvements in or relating to valves
摘要
申请公布号	GB740734(A)	申请公布日期	1955.11.16
申请号	GB19530028301	申请日期	1953.10.14
申请人	HANS STEINMETZ;ARTHUR FUNKE	发明人
分类号	F16K11/20	主分类号	F16K11/20
代理机构		代理人
主权项
地址

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