| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JB/T 5844-1991 | English | 319 |
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Days<=3
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Directional relays and power relays with two input energizing quantities (IEC 60255-12: 1980, NEQ)
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JB/T 5844-1991
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JB/T 5844-1991
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