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发明名称
CIRCUIT FOR HOUSE TELEPHONE TWINS
摘要
申请公布号
YU22087(A)
申请公布日期
1990.04.30
申请号
YU19870000220
申请日期
1987.02.16
申请人
BOEHM JERNEJ
发明人
BOEHM JERNEJ;BOEHM JERNEJ
分类号
H04M1/72;(IPC1-7):H04M1/72
主分类号
H04M1/72
代理机构
代理人
主权项
地址
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