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发明名称
Verfahren zum luftdichten Abschluss der Stoesse von Bergwerks-Schaechten
摘要
申请公布号
DE1092417(B)
申请公布日期
1960.11.10
申请号
DE1957K030819
申请日期
1957.01.15
申请人
CARL ERICH KULLMANN K.G. CHEMISCHE FABRIK
发明人
RIESNER DR.-ING. KURT;KULLMANN CARL ERICH
分类号
E21D11/38
主分类号
E21D11/38
代理机构
代理人
主权项
地址
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