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发明名称
DECKENSTEIN FUER FLACHGEWOELBE IN TUNNELOEFEN
摘要
申请公布号
DE2530432(B2)
申请公布日期
1977.09.15
申请号
DE19752530432
申请日期
1975.07.08
申请人
发明人
分类号
F27B9/32;F27D1/02;(IPC1-7):F27B9/32
主分类号
F27B9/32
代理机构
代理人
主权项
地址
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