Method of making rubber nasal masks,申请号US19410385797-传众专利搜索

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发明名称	Method of making rubber nasal masks
摘要
申请公布号	US2298101(A)	申请公布日期	1942.10.06
申请号	US19410385797	申请日期	1941.03.29
申请人	AMERICAN ANODE, INC.	发明人	BEAL CARL L.
分类号	A62B23/06;B29D99/00	主分类号	A62B23/06
代理机构		代理人
主权项
地址

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