吊架和支架|沙特标准|SASO-2672
SASO-2672
HVAC Duct Construction Standards Metal and Flexible – Part 4: Hangers and Supports
暖通空调管道结构标准金属和柔性-第4部分:吊架和支架
Applying Type : Standard Regulation
Standard Year : 2007
Approval Year : 2007
吊架和支架|沙特标准|SASO-2672
SASO-2672
HVAC Duct Construction Standards Metal and Flexible – Part 4: Hangers and Supports
暖通空调管道结构标准金属和柔性-第4部分:吊架和支架
Applying Type : Standard Regulation
Standard Year : 2007
Approval Year : 2007
15271807183 |
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