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经营范围
发明名称
TAP HOLE SEALING
摘要
申请公布号
CS193044(B2)
申请公布日期
1979.09.17
申请号
CS19750002242
申请日期
1975.04.02
申请人
ELKEM-SPIGERVERKET A/S,NO
发明人
KRISTIANSEN,AKSEL E.,NO;PEDERSEN,THOR,US
分类号
C21B7/12;C21B9/12;F27D3/14;F27D3/15;(IPC1-7):C21B7/12
主分类号
C21B7/12
代理机构
代理人
主权项
地址
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