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发明名称
VERFAHREN ZUR HERSTELLUNG VON STEINZEUGROHREN MIT HOHEN FESTIGKEITEN UND TUNNELOFEN HIERFUER
摘要
申请公布号
DE1583447(B2)
申请公布日期
1972.12.07
申请号
DE19671583447
申请日期
1967.12.04
申请人
发明人
分类号
C04B33/22;F27B9/12;F27B9/20;F27B9/36;(IPC1-7):F27B9/28
主分类号
C04B33/22
代理机构
代理人
主权项
地址
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