UL SUBJECT 2112-2009 标准详情
- 标准号:UL SUBJECT 2112-2009
- 中文标题:排气系统与燃气直泄家电使用
- 英文标题:venting systems for use with gas-fired direct vent appliances
- 标准类别:美国保险商实验室标准UL
- 发布日期:2009-06-03
1 SCOPE1.1 THESE REQUIREMENTS COVER VENTING SYSTEMS INTENDED FOR VENTING DIRECT VENTED GAS-FIRED APPLIANCES THAT COMPLY WITH ANSI Z21 SERIES STANDARDS. VENTING SYSTEMS COVERED BY THESE REQUIREMENTS ARE INTENDED TO BE USED WITH DIRECT VENTED GAS-FIRED
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