| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 3241.1-2025 | English | 774 |
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Days<=3
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Electroacoustics - Octave-band and fractional-octave-band filters - Part 1: Specifications
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GB/T 3241.1-2025
| Valid |
GB/T 3241.1-2025
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