A new and improved rotary valve,申请号GB19300023778-传众专利搜索

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发明名称	A new and improved rotary valve
摘要
申请公布号	GB360946(A)	申请公布日期	1931.11.09
申请号	GB19300023778	申请日期	1930.08.08
申请人	GEORGE HENRY KEMP;RAYMOND CALEB BROWN	发明人
分类号	F01L7/02	主分类号	F01L7/02
代理机构		代理人
主权项
地址

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