Terms containing duplicate of contract

Subject	English	Chinese
busin.	duplicate of contract	合同副本
commer.	Enclosed please find our Sales Contract No. 115 in duplicate, one of which please return duly countersigned	随函附寄我第115号合约一式二份，请会签后退回一份
bridge.	law of duplicate contract bridge	复式定约桥牌规则
bridge.	laws of duplicate contract bridge	复式定约桥牌规则
econ.	We have received the duplicate of the contract	我们已收到合同的副本