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发明名称
SCREW COUPLING DEVICES
摘要
申请公布号
KR920004290(Y1)
申请公布日期
1992.06.25
申请号
KR19890017827U
申请日期
1989.11.29
申请人
GOLD STAR CO. LTD.
发明人
KIM, JONG - DON
分类号
B25B21/00;B25B28/00;(IPC1-7):B25B21/00
主分类号
B25B21/00
代理机构
代理人
主权项
地址
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