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发明名称
TROUPER OF LINK CHAIN CONVEYER
摘要
申请公布号
KR900011115(Y1)
申请公布日期
1990.12.15
申请号
KR19870001155U
申请日期
1987.02.03
申请人
SAM PYO WORKS CO., LTD.
发明人
YUN HAG-GEUN
分类号
E21F13/08;(IPC1-7):E21F13/08
主分类号
E21F13/08
代理机构
代理人
主权项
地址
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