ANSI/ASTM A750-1996 标准详情
- 标准号:ANSI/ASTM A750-1996
- 中文标题:禁闭区钢制通风格栅规范
- 英文标题:Specification for Steel Air Ventilating Grille Units for Detention Areas
- 标准类别:美国国家ANSI
- 发布日期:1996
This specification applies to air ventilating grille units for detention areas, assembled in part from materials conforming to Specifications A627, A628, and A629.The assemblies described herein are intended to provide two types of security, designat
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