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发明名称
摘要
申请公布号
DE8708808(U1)
申请公布日期
1987.11.05
申请号
DE19870008808U
申请日期
1987.06.25
申请人
RUETGERSWERKE AG, 6000 FRANKFURT, DE
发明人
分类号
E01F8/00;E04F13/10;(IPC1-7):E04B1/82
主分类号
E01F8/00
代理机构
代理人
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