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发明名称
APPARATUS FOR HANDLING AND PROCESSING MOLTEN REFRACTORY MATERIALS
摘要
申请公布号
CA464062(A)
申请公布日期
1950.03.28
申请号
CAD464062
申请日期
申请人
NORTON COMPANY
发明人
JOHN A. UPPER
分类号
主分类号
代理机构
代理人
主权项
地址
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