标准号:I.S.50-1953
中文标准名称:(重负荷铁铲)标准规范,1953年颁布
英文标准名称:Standard Specification (Heavy Duty Shovels) order,1953
发布日期:1953/1/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1. This specification covers the requirements of long-handled steel shovels for road, quarry and other heavy duty purposes.