APPARATUS FOR EXPANDING EARTH MATERIALS,申请号CAD561611-传众专利搜索

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发明名称	APPARATUS FOR EXPANDING EARTH MATERIALS
摘要
申请公布号	CA561611(A)	申请公布日期	1958.08.12
申请号	CAD561611	申请日期
申请人	HAROLD L. PIERCE	发明人	HAROLD L. PIERCE
分类号		主分类号
代理机构		代理人
主权项
地址

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