Perfectionnements apportés aux appareils de protection contre les gaz de guerre, les poussières et les brouillards,申请号FRD851906-传众专利搜索

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发明名称	Perfectionnements apportés aux appareils de protection contre les gaz de guerre, les poussières et les brouillards
摘要
申请公布号	FR851906(A)	申请公布日期	1940.01.18
申请号	FRD851906	申请日期	1938.09.05
申请人	SOCIETE D'APPLICATIONS MECANIQUES ET CHIMIQUES	发明人
分类号	A62B23/00	主分类号	A62B23/00
代理机构		代理人
主权项
地址

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