BLACK POWDER MANUFACTURE,申请号CAD394263-传众专利搜索

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发明名称	BLACK POWDER MANUFACTURE
摘要
申请公布号	CA394263(A)	申请公布日期	1941.01.28
申请号	CAD394263	申请日期
申请人	E.I. DU PONT DE NEMOURS AND COMPANY	发明人	CLARENCE WILBUR BROOKS, JR.
分类号		主分类号
代理机构		代理人
主权项
地址

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