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发明名称
APPARATUS WORKING FOR DOUBLE SHANK SPIKE OF USED RAILROAD
摘要
申请公布号
KR870003106(Y1)
申请公布日期
1987.09.19
申请号
KR19830008899U
申请日期
1983.10.18
申请人
DAE WON STEEL CO.,LTD.
发明人
SHIN MYONG-GYUN
分类号
B21K7/02;(IPC1-7):B21K7/02
主分类号
B21K7/02
代理机构
代理人
主权项
地址
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