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发明名称
WALL
摘要
申请公布号
EP0135972(B1)
申请公布日期
1988.07.13
申请号
EP19840201348
申请日期
1984.09.18
申请人
KALKZANDSTEENFABRIEK ROELFSEMA B.V.
发明人
VLEESENBEEK, ERNST
分类号
E04B2/02;E04B2/08
主分类号
E04B2/02
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代理人
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