Oil-retaining means for gear casings,申请号US19290337160-传众专利搜索

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发明名称	Oil-retaining means for gear casings
摘要
申请公布号	US1748684(A)	申请公布日期	1930.02.25
申请号	US19290337160	申请日期	1929.02.02
申请人	FROHMAN	发明人	STEWART WALTER C.;FROHMAN EMANUEL
分类号	F16J15/40	主分类号	F16J15/40
代理机构		代理人
主权项
地址

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