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发明名称
SPACER FOR REINFORCING MESH AND SPIRAL REINFORCEMENT CAGES
摘要
申请公布号
EP0349985(B1)
申请公布日期
1993.09.22
申请号
EP19890112212
申请日期
1989.07.04
申请人
SWENSON, RICHARD A.
发明人
SWENSON, RICHARD A.
分类号
E04C5/18
主分类号
E04C5/18
代理机构
代理人
主权项
地址
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