Mask lens retainer and seal,申请号US19650484627-传众专利搜索

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发明名称	Mask lens retainer and seal
摘要
申请公布号	US3323135(A)	申请公布日期	1967.06.06
申请号	US19650484627	申请日期	1965.09.02
申请人	MINE SAFETY APPLIANCES COMPANY	发明人	MILLER JOHN C.
分类号	A62B18/08;E06B3/54	主分类号	A62B18/08
代理机构		代理人
主权项
地址

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