METHOD AND DEVICE FOR OPERATING TELEPHONE OPERATOR AUXILIARY CALL,申请号JP19910290451-传众专利搜索

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发明名称	METHOD AND DEVICE FOR OPERATING TELEPHONE OPERATOR AUXILIARY CALL
摘要
申请公布号	JPH04265050(A)	申请公布日期	1992.09.21
申请号	JP19910290451	申请日期	1991.10.11
申请人	AMERICAN TELEPH & TELEGR CO <ATT>	发明人	DAGURASU KAARUHOON DOODEN;RICHIYAADO UOOREN HEMETAA;DAIAN EREEN HAA;UIRIAMU KIITEINGU MAKOOMITSUKU;ROBAATO PETORERII;RICHIYAADO JIYOSEFU PIEREE;SAMIYUERU MAATEIN SARUHENBAAGAA;CHIYANDAA SEKUHAA SEEGARU;MAHENDORA KUMAA BERUMA
分类号	H04M3/42;H04M3/44;H04M3/51;H04M3/527;H04M3/533;H04M3/60;H04M15/00;H04Q11/04	主分类号	H04M3/42
代理机构		代理人
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