Oiling device for alpha rotary valve,申请号US19300428151-传众专利搜索

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发明名称	Oiling device for alpha rotary valve
摘要
申请公布号	US1933169(A)	申请公布日期	1933.10.31
申请号	US19300428151	申请日期	1930.02.13
申请人	FOSS CHRISTIAN C	发明人	FOSS CHRISTIAN C.
分类号	F16N7/24	主分类号	F16N7/24
代理机构		代理人
主权项
地址

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