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发明名称
COIN COUNTER FOR TELEPHONE
摘要
申请公布号
KR1019900000919(B1)
申请公布日期
1990.02.19
申请号
KR1019870003661
申请日期
1987.04.16
申请人
发明人
分类号
主分类号
代理机构
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地址
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