| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB 991-1977 | English | RFQ |
ASK
|
Days<=3
|
Aligning troughing idlers for type TD belt conveyor--Specifications
|
GB 991-1977
| Obsolete |
GB 991-1977
|