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经营范围
发明名称
RINGING CIRCUIT OF TELEPHONE
摘要
申请公布号
KR940007116(Y1)
申请公布日期
1994.10.13
申请号
KR19890007039U
申请日期
1989.05.29
申请人
GOLDSTAR TELECOMMUNICATION CO., LTD.
发明人
LEE, JAE - CHOL
分类号
H04M1/00;(IPC1-7):H04M1/00
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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