Improvements in or relating to sluice valves,申请号GB19340014349-传众专利搜索

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发明名称	Improvements in or relating to sluice valves
摘要
申请公布号	GB421106(A)	申请公布日期	1934.12.13
申请号	GB19340014349	申请日期	1934.05.11
申请人	J. B. VAN HEIJST & ZONEN	发明人
分类号	F16K27/08	主分类号	F16K27/08
代理机构		代理人
主权项
地址

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