| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SJ 2957-1988 | English | 639 |
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Sectional specification for piezoelectric ceramic filters for use in electronic equipment-Piezoelectric ceramic filters for IF sound circuits of TV receivers
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SJ 2957-1988
| Obsolete |
SJ 2957-1988
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