发明名称 |
SERVICE SYSTEM FOR MULTIPLEEADDRESS TYPE INFORMATION |
摘要 |
PURPOSE:To improve the efficiency in use of the circuit by shortening the required time until the completion of the multiple-address-type information service by previously storing subscriber's terminal numbers within the area at every exchange. |
申请公布号 |
JPS53135207(A) |
申请公布日期 |
1978.11.25 |
申请号 |
JP19770050082 |
申请日期 |
1977.04.30 |
申请人 |
TOKYO SHIBAURA ELECTRIC CO |
发明人 |
KAWASHIMA TOSHIHIDE |
分类号 |
H04M3/00;H04M3/42 |
主分类号 |
H04M3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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