You are required to advise the credit issuing office by telecommunication upon drawing under this Standby Letter of credit.
要求你,一旦在此备用信用证项下提款时,应以电讯通知开证行。
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Founded in 1991, OPNET Technologies Co. , Ltd. (OPNET) specializes in designing, manufacturing and marketing telecommunication transmission products for access networks and inter-office networks.