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《ITU-T D.120 (07 1996) Charging and accounting principles for the 》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
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2、ONAL TELECOMMUNICATION CHARGE CARDSERVICEITU-TRecommendationD.120(PreviouslyCCITTRecommendation)ITU-TD-SERIESRECOMMENDATIONS'%.%2!, 4!2)&&