Masque anti-gaz à face transparente,申请号FRD746196-传众专利搜索

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发明名称	Masque anti-gaz à face transparente
摘要
申请公布号	FR746196(A)	申请公布日期	1933.05.23
申请号	FRD746196	申请日期	1932.11.22
申请人	SOCIETA ITALIANA PIRELLI	发明人
分类号	A62B18/02	主分类号	A62B18/02
代理机构		代理人
主权项
地址

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