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发明名称
Verwendung eines rohrartigen, zementgebundenen Bauelementes zur Erstellung von brand- oder feuergeschützten Schächten oder Schachtsystemen
摘要
申请公布号
DE19750537(C2)
申请公布日期
2003.07.03
申请号
DE19971050537
申请日期
1997.11.14
申请人
ENGMANN, PETER;ENGMANN, GEORG
发明人
ENGMANN, PETER;ENGMANN, GEORG
分类号
C04B28/06;E04F17/02;(IPC1-7):C04B38/08;C04B16/08;C04B14/12;E04B1/94
主分类号
C04B28/06
代理机构
代理人
主权项
地址
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