Gas-mask eye piece mounting,申请号US19360114407-传众专利搜索

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发明名称	Gas-mask eye piece mounting
摘要
申请公布号	US2158693(A)	申请公布日期	1939.05.16
申请号	US19360114407	申请日期	1936.12.05
申请人	MINE SAFETY APPLIANCES COMPANY	发明人	DYM JOSEPH B.
分类号	A62B18/08	主分类号	A62B18/08
代理机构		代理人
主权项
地址

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