| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 2820.4-1997 | English | 639 |
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Days<=5
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Reciprocating internal combustion engine driven alternating current generating sets. Part 4: Controlgear and switchgear
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GB/T 2820.4-1997
| Obsolete |
GB/T 2820.4-1997
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