Filtro para aerosoles, destinado a caretas antigás o a refugios colectivos.,申请号ES19770000049U-传众专利搜索

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发明名称	Filtro para aerosoles, destinado a caretas antigás o a refugios colectivos.
摘要
申请公布号	ES4977(Y)	申请公布日期	1944.06.01
申请号	ES19770000049U	申请日期	1937.04.16
申请人	HECHTENBERG, WALTER	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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