| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JJF 1680-2017 | English | 509 |
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Days<=4
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Calibration Specification for Directional Coupler and SWR Bridges
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JJF 1680-2017
| Valid |
JJF 1680-2017
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