HOT TOP STRUCTURE AND METHOD OF MAKING THE SAME,申请号CAD876612-传众专利搜索

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发明名称	HOT TOP STRUCTURE AND METHOD OF MAKING THE SAME
摘要
申请公布号	CA876612(A)	申请公布日期	1971.07.27
申请号	CAD876612	申请日期
申请人	OGLEBAY NORTON COMPANY	发明人	WALTER M. CHARMAN, JR.;GEORGE J. MIDDAUGH, JR.
分类号		主分类号
代理机构		代理人
主权项
地址

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