信用证要求在装船前30天开到卖方，装船后21天内在卖方所在国的银行议付有效。
The L/C should reach the seller 30 days before shipment and remain valid for negotiation in the seller's country until the 21<>th day after shipment.
信用证要求在装船前30天开到卖方，装船后21天内在卖方所在国的银行议付有效。
The L/C should reach the seller 30 days before shipment and remain valid for negotiation in the seller's country until the 21<>th day after shipment.
