Improvements in or relating to respirators,申请号GB19480032898-传众专利搜索

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发明名称	Improvements in or relating to respirators
摘要
申请公布号	GB663202(A)	申请公布日期	1951.12.19
申请号	GB19480032898	申请日期	1948.12.20
申请人	AMLETO FILETI	发明人
分类号	A62B7/04	主分类号	A62B7/04
代理机构		代理人
主权项
地址

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