For whom is the ISM Code mandatory?

题库:船长 类型:最佳选择题 时间:2019-02-14 17:22:46 免费下载:《甲类船长英语考证》Word试卷

For whom is the ISM Code mandatory?
A.All vessels 500 GRT and above
B.All tankers
C.All vessels built after 1998
D.All vessels on international routes

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