usance credit payment at sight的意思|示意

假远期声誉证 Credit payable by a bank银行付款声誉证 usance credit payment at sight假远期声誉证 Uniform Customs and Practice for Documentary Credits跟单声誉证统一老例 ..

假 ... Credit payable by a bank 银行付款信用证 usance credit payment at sight 假 远期信用证 Uniform Customs and Practice for Documentary Credits 跟单信用证统一惯例 ...