Improvements in sluice gates or penstocks,申请号GB19310001787-传众专利搜索

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发明名称	Improvements in sluice gates or penstocks
摘要
申请公布号	GB367129(A)	申请公布日期	1932.02.18
申请号	GB19310001787	申请日期	1931.01.19
申请人	ERNEST HARTLEY	发明人
分类号	F16K3/02;F16K3/18	主分类号	F16K3/02
代理机构		代理人
主权项
地址

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