METHOD OF PREPARING AN OXYGEN LIBERATING COMPOSITION,申请号CAD446634-传众专利搜索

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发明名称	METHOD OF PREPARING AN OXYGEN LIBERATING COMPOSITION
摘要
申请公布号	CA446634(A)	申请公布日期	1948.02.10
申请号	CAD446634	申请日期
申请人	MINE SAFETY APPLIANCES COMPANY	发明人	DAVID A. FEIGLEY, JR.
分类号		主分类号
代理机构		代理人
主权项
地址

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