COMPOSITION FOR PRESERVING AND DUSTPROOFING COAL,申请号CAD558149-传众专利搜索

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发明名称	COMPOSITION FOR PRESERVING AND DUSTPROOFING COAL
摘要
申请公布号	CA558149(A)	申请公布日期	1958.06.03
申请号	CAD558149	申请日期
申请人	HARRY P. HARTLEY	发明人	HARRY P. HARTLEY
分类号		主分类号
代理机构		代理人
主权项
地址

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