| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Related Standard | Status | PDF |
| SJ 1128-1977 | English | RFQ |
ASK
|
3 days [Need to translate]
|
(Film screenings electro-acoustic speaker system parameters and requirements)
|
SJ 1128-1977
| Obsolete |
SJ 1128-1977
|