| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YD/T 789-1995 | English | 599 |
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Days<=4
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(Hands-free telephone technical requirements and test methods)
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YD/T 789-1995
| Obsolete |
YD/T 789-1995
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