标准查询 标准查询小型船舶.稳定性及浮力的评价及分类.第1部分:船体大于或等于6m的无帆小艇
Small craft－Stability and buoyancy assessment and categorization－Part 1：Non-sailing boats of hull length greater than or equal to 6 m
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标准查询Small craft－Stability and buoyancy assessment and categorization－Part 1：Non-sailing boats of hull length greater than or equal to 6 m
