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发明名称
Rörbolt
摘要
申请公布号
NO176069(B)
申请公布日期
1994.10.17
申请号
NO19920003497
申请日期
1992.09.09
申请人
OERSTA STAALINDUSTRI AS
发明人
NES, ODDBJOERN
分类号
E21D20/00;E21D20/02;E21D21/00;(IPC1-7):E21D20/02
主分类号
E21D20/00
代理机构
代理人
主权项
地址
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