标准摘要
[中文适用范围]： 规定了可互换性的主要尺寸以及叉子和吊杆根部配件的相关螺栓或销的材料。 [外文原描述]： Lays down the main dimensions for interchangeability and the materials for forks and associated bolts or pins for derrick boom heel fittings.
英文名称Shipbuilding and marine structures — Derrick boom heel fittings — Main dimensions