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发明名称
Crucibles for metal melting
摘要
申请公布号
US2801839(A)
申请公布日期
1957.08.06
申请号
US19530383651
申请日期
1953.10.01
申请人
ELECTRO REFRACTORIES & ABRASIVES CORPORATION
发明人
LEMMER CLARENCE G.
分类号
B22D41/00;F27B14/10
主分类号
B22D41/00
代理机构
代理人
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地址
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