Ventilator,申请号US19330660938-传众专利搜索

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发明名称	Ventilator
摘要
申请公布号	US1993622(A)	申请公布日期	1935.03.05
申请号	US19330660938	申请日期	1933.03.15
申请人	PETERS WALTER F;GEBERT WALTER W R	发明人	PETERS WALTER F.;GEBERT WALTER W. R.
分类号	F04D25/04	主分类号	F04D25/04
代理机构		代理人
主权项
地址

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