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经营范围
发明名称
A VACUUM PUMP
摘要
申请公布号
KR200182474(Y1)
申请公布日期
2000.05.15
申请号
KR19990027517U
申请日期
1999.12.08
申请人
CHOI, WAN HYUNG
发明人
CHOI, WAN HYUNG
分类号
G09B23/12;(IPC1-7):G09B23/12
主分类号
G09B23/12
代理机构
代理人
主权项
地址
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