标准查询 标准查询小型船舶.稳定性和浮力评估和分类.第2部分:艇体长度不小于6m的帆艇
Small craft－Stability and buoyancy assessment and categorization－Part 2：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 2：Sailing boats of hull length greater than or equal to 6 m
