ANSI Z21.78-2005 标准详情
- 标准号:ANSI Z21.78-2005
- 中文标题:燃气器具用混合气体控制装置
- 英文标题:Combination Gas Controls for Gas Appliances (same as CSA 6.20)
- 标准类别:美国国家标准
- 发布日期:2005
Details test and examination criteria for conbination gas controls for gas appliances that have a maximum operating gas pressure of 1/2 psi. A combination gas control is defined as an assembly of two or more different functions, at least one of which
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