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发明名称
GRAPHITIERUNGSOFEN
摘要
申请公布号
DE2457923(B2)
申请公布日期
1977.09.29
申请号
DE19742457923
申请日期
1974.12.07
申请人
发明人
分类号
C04B35/52;F27D11/04;(IPC1-7):F27B13/06
主分类号
C04B35/52
代理机构
代理人
主权项
地址
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