Improvements in or relating to valves,申请号GB19340032355-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	GB428020(A)	申请公布日期	1935.05.03
申请号	GB19340032355	申请日期	1934.11.09
申请人	INGERSOLL-RAND COMPANY	发明人
分类号	F04B39/10	主分类号	F04B39/10
代理机构		代理人
主权项
地址

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