Improvements in or relating to mechanism for controlling the flow of fluids,申请号GB19300018410-传众专利搜索

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发明名称	Improvements in or relating to mechanism for controlling the flow of fluids
摘要
申请公布号	GB354471(A)	申请公布日期	1931.08.13
申请号	GB19300018410	申请日期	1930.06.16
申请人	JOHN HENRY EWART	发明人
分类号	F24H9/20	主分类号	F24H9/20
代理机构		代理人
主权项
地址

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