| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB 19212.9-2007 | English | 439 |
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Days<=3
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Safety of power transformers, power supply units and similar devices -- Part 9: Particular requirements for bell and chime transformers
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GB 19212.9-2007
| Obsolete |
GB 19212.9-2007
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