Improvements in valves and cocks,申请号GB19330002554-传众专利搜索

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发明名称	Improvements in valves and cocks
摘要
申请公布号	GB413387(A)	申请公布日期	1934.07.19
申请号	GB19330002554	申请日期	1933.01.26
申请人	PHILIP WILLIAM NORMAN	发明人
分类号	F16K1/38	主分类号	F16K1/38
代理机构		代理人
主权项
地址

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