CHANGING MARKET.

被引：0

作者：

Scharf, Beverly W.

机构：

来源：

Lighting Design and Application: LD and A | 1974年 / 4卷 / 05期

关键词：

ILLUMINATING ENGINEERING;

D O I：

暂无

中图分类号：

TM923 [电气照明];

学科分类号：

0803 ; 080801 ;

摘要：

When choosing equipment, several points need to be considered: cost, reliability, maintainability, and the human factor. The trend is away from incandescent emergency lights to fluorescent unit equipment and ac power packs.

引用

页码：21 / 22