34 ADD N-2018

Designation and Safety Classification of Refrigerants

34 ADD N-2018 发布历史

FOREWORD Addendum n makes several changes with the purpose of aligning the toxicity classification procedure to be based on the nominal formulation of the blend. Note: In this addendum@ changes to the current standard are indicated in the text by underlining (for additions) and strikethrough (for deletions) unless the instructions specifically mention some other means of indicating the changes.

34 ADD N-2018由ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc. 发布于 2018-01-20，并于 2018-02-14 实施。

34 ADD N-2018的历代版本如下：

• 2018年01月20日 34 ADD N-2018

非常抱歉，我们暂时无法提供预览，您可以试试： 免费下载 34 ADD N-2018 前三页，或者稍后再访问。

注意： 点击下载后，生成下载文件时间比较长，请耐心等待......

标准号

34 ADD N-2018

发布日期

2018年01月20日

实施日期

2018年02月14日

废止日期

无

中国标准分类号

/

国际标准分类号

/

发布单位

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc.

引用标准

6

适用范围

FOREWORD Addendum n makes several changes with the purpose of aligning the toxicity classification procedure to be based on the nominal formulation of the blend. Note: In this addendum@ changes to the current standard are indicated in the text by underlining (for additions) and strikethrough (for deletions) unless the instructions specifically mention some other means of indicating the changes.