标准摘要
[中文适用范围]： 本文件规定了用于引导船舶系泊和拖曳绳的封闭式导轮座的类型、标称尺寸、尺寸和材料，以及结构、制造和标记要求， [外文原描述]： This document specifies the types, nominal sizes, dimensions and materials, as well as construction, manufacturing and marking requirements, for the seats for closed chocks installed to lead the mooring and towing rope of a ship,
英文名称Ships and marine technology — Ship's mooring and towing fittings — Seats for closed chocks