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经营范围
发明名称
PITCH CONTROL DEVICE OF DRILLING MACHINE
摘要
申请公布号
KR100235341(B1)
申请公布日期
2000.01.15
申请号
KR19970038723
申请日期
1997.08.13
申请人
YANG, SOON HO;LEE, HEE SOO
发明人
YANG, SOON HO;LEE, HEE SOO
分类号
B23B39/16;(IPC1-7):B23B39/16
主分类号
B23B39/16
代理机构
代理人
主权项
地址
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