| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GBJ 76-1984 | English | 679 |
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Days<=5
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Acoustics-measurement of sound reverberation time in halls-specifications
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GBJ 76-1984
| Obsolete |
GBJ 76-1984
|