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发明名称
IMPROVEMENTS IN SUBSCRIBER TELEPHONE APPARATUS
摘要
申请公布号
IL33157(D0)
申请公布日期
1969.12.31
申请号
IL19690033157
申请日期
1969.10.09
申请人
SOC GEN SEMICONDUTTORI SPA SGS
发明人
分类号
H04M1/278
主分类号
H04M1/278
代理机构
代理人
主权项
地址
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