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发明名称
PRE-PRESSURE CHANGE DEVICE OF MAIN SHAFT BEARING
摘要
申请公布号
KR100246309(B1)
申请公布日期
2000.04.01
申请号
KR19970045117
申请日期
1997.08.30
申请人
DAEWOO HEAVY INDUSTRY LTD.
发明人
LIM, KYEONG-JIN
分类号
B23Q5/06;(IPC1-7):B23Q5/06
主分类号
B23Q5/06
代理机构
代理人
主权项
地址
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