| 서명 | Recommended Practice for Classification of Locations for Electrical Installations at Petroleum Facilities Classified as Class Ⅰ, Zone 0, Zone 1, and Zone 2 (API Recommended Practice 505 -First Edition, November 1997) |
|---|---|
| 저자 | American Petroleum Institute |
| 발행처 | API |
| 발행년도 | 1997 |
| 청구기호 | 530.029 A512r |
| 소장처/자료실/서가 | 안전보건공단/일반자료실/ |