本协议一式四份，双方各执二份。
This agreement is in quadruplicate with each party having two copies.
本合同一式四份，甲、乙双方各执二份，具有同等法律效力。
There are quadruplication of this Contract with same legal effect.
本协议一式四份，甲、乙双方各执二份，具有同等法律效力。
This agreement is made quadruplicate with Party a and Party B respectively holding two copies, which are equally effective.
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