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发明名称
ROHRDURCHFUEHRUNG FUER BETONDECKEN ODER DERGLEICHEN
摘要
申请公布号
DD132808(A1)
申请公布日期
1978.11.01
申请号
DD19770200885
申请日期
1977.09.05
申请人
KRUEGER,GUENTER,DD
发明人
KRUEGER,GUENTER,DD
分类号
F16L5/00;(IPC1-7):F16L5/00
主分类号
F16L5/00
代理机构
代理人
主权项
地址
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