GB/T 19314.2-2019小艇艇体结构和构件尺寸第2部分:材料:夹层结构用芯材、埋置材料国家标准
英文:Small craft—Hull construction and scantlings—Part 2: Materials: core materials for sandwich construction, embedded ma...
英文:Small craft—Hull construction and scantlings—Part 2: Materials: core materials for sandwich construction, embedded ma...