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发明名称
APPARATUS FOR COUPLING OF MUD GUN NOZZLE TIP
摘要
申请公布号
KR920007173(Y1)
申请公布日期
1992.10.08
申请号
KR19900021067U
申请日期
1990.12.27
申请人
POHANG IRON & STEEL CO., LTD.
发明人
KIM, JAE - BONG;LEE, JONG - YOL
分类号
C21B7/12;(IPC1-7):C21B7/12
主分类号
C21B7/12
代理机构
代理人
主权项
地址
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