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发明名称
DOUBLE BLOCK
摘要
申请公布号
KR930007261(Y1)
申请公布日期
1993.10.15
申请号
KR19900016413U
申请日期
1990.10.29
申请人
KIM, UNG - SOK
发明人
KIM, UNG - SOK
分类号
A63H33/04;(IPC1-7):A63H33/04
主分类号
A63H33/04
代理机构
代理人
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地址
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