ANSI Z21.49a Addenda-1993 标准详情
- 标准号:ANSI Z21.49a Addenda-1993
- 中文标题:重力型和风扇型通风的燃气壁炉.补充件
- 英文标题:Gas-fired gravity and fan type vented wall furnaces; Addenda
- 标准类别:美国国家标准
- 发布日期:1993
Details test and examination criteria for vented wall furnaces for use with natural, manufactured and mixed gases, liquefied petroleum gases and LP gas-air mixtures. Wall furnace are designed for incorporation in or permanent attachment to be the bui
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