Crankcase ventilating system,申请号US19380210409-传众专利搜索

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发明名称	Crankcase ventilating system
摘要
申请公布号	US2250200(A)	申请公布日期	1941.07.22
申请号	US19380210409	申请日期	1938.05.27
申请人	DONALDSON COMPANY, INC.	发明人	LOWTHER WILFRED W.
分类号	F01M13/02	主分类号	F01M13/02
代理机构		代理人
主权项
地址

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