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发明名称
SUSPENDED FURNACE ROOF
摘要
申请公布号
CA485901(A)
申请公布日期
1952.08.19
申请号
CAD485901
申请日期
申请人
GENERAL REFRACTORIES COMPANY
发明人
RUSSELL PEARCE HEUER
分类号
主分类号
代理机构
代理人
主权项
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