in duplicate 一式两份
in triplicate 一式三份
in quadruplicate 一式四份
in quintuplicate 一式五份
in sextuplicate 一式六份
in septuplicate 一式七份
in octuplicate 一式八份
in nonuplicate 一式九份
in decuplicate 一式十份
即期信用证（L/C at sight）letter of credit at sight
远期信用证(USANCE L/C)==Usance Letter of Credit
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