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经营范围
发明名称
DRILLING MACHINE FOR GAS CONTAINER VALVE
摘要
申请公布号
KR900009319(Y1)
申请公布日期
1990.10.10
申请号
KR19870011746U
申请日期
1987.07.18
申请人
YOUNG DO IND.CO.,LTD.
发明人
LEE SEUNG-IK
分类号
B23B39/00;(IPC1-7):B23B39/00
主分类号
B23B39/00
代理机构
代理人
主权项
地址
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