| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YD/T 547-1992 | English | 399 |
Add to Cart
|
Days<=3
|
The specification and test methods for conference telephone tandem board
|
YD/T 547-1992
| Obsolete |
YD/T 547-1992
|