Life saving mask,申请号US19300476675-传众专利搜索

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发明名称	Life saving mask
摘要
申请公布号	US1945919(A)	申请公布日期	1934.02.06
申请号	US19300476675	申请日期	1930.08.20
申请人	FERNANDEZ SEIJO MODESTO	发明人	SEIJO MODESTO FERNANDEZ
分类号	A62B7/00	主分类号	A62B7/00
代理机构		代理人
主权项
地址

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