| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB 14821.1-1993 | English | 759 |
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Days<=5
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Electrical installations of buildings－Protection against electric shock
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GB 14821.1-1993
| Obsolete |
GB 14821.1-1993
|