Respirator,申请号US19400328450-传众专利搜索

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法人/股东/高管

发明名称	Respirator
摘要
申请公布号	US2284949(A)	申请公布日期	1942.06.02
申请号	US19400328450	申请日期	1940.04.08
申请人	COVER HARVEY S	发明人	COVER HARVEY S.
分类号	A62B23/02	主分类号	A62B23/02
代理机构		代理人
主权项
地址

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