| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SY/T 6671-2017 | English | RFQ |
ASK
|
Days<=13
|
Recommended practice for lassification of locations for electrical installations at petroleum facilities classified as Class I, Zone 0, Zone 1, and Zone 2
|
SY/T 6671-2017
| Valid |
SY/T 6671-2017
|