标准编号:ISO 723:1991
中文名称:岩石钻孔.空心六角形钻钢的锻造柄和卡紧套环
英文名称:Rock drilling equipment — Forged collared shanks and corresponding chuck bushings for hollow hexagonal drill steels
发布日期:1991-01
标准编号:ISO 723:1991
中文名称:岩石钻孔.空心六角形钻钢的锻造柄和卡紧套环
英文名称:Rock drilling equipment — Forged collared shanks and corresponding chuck bushings for hollow hexagonal drill steels
发布日期:1991-01