| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB 9397-1988 | English | 239 |
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Days<=2
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General specification for electrodynamic cone loudspeaker of direct radiator type
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GB 9397-1988
| Obsolete |
GB 9397-1988
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