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发明名称
Improvements in or relating to closures for coke-oven chambers
摘要
申请公布号
GB744770(A)
申请公布日期
1956.02.15
申请号
GB19530006596
申请日期
1953.03.10
申请人
JOSEPH LIMBERG
发明人
分类号
C10B25/06;C10B25/16
主分类号
C10B25/06
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代理人
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