标准摘要
[中文适用范围]： 本文件规定了船上所有类型的外部单扇门（需要使用舱口围板）的净开口标准尺寸。这些尺寸用作此类船舶门的标称尺寸。 [外文原描述]： This document lays down standardized dimensions of clear openings for all types of external single-leaf doors on board ships, for which coamings are required. These dimensions are used as nominal sizes for these doors of ships.
英文名称Ships and marine technology — Clear openings for external single-leaf doors