ANSI/ASME B30.21-2005 标准详情
- 标准号:ANSI/ASME B30.21-2005
- 中文标题:手动杠杆操作提升机
- 英文标题:Manually Lever Operated Hoists
- 标准类别:美国国家标准
- 发布日期:2005-02-16
B30.21 includes provisions which apply to the construction, installation, operation, inspection, and maintenance of ratchet and pawl and friction brake type manually lever operated chain, wire rope, and web strap hoists used for lifting, pulling, and
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