| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 18311.20-2007 | English | 94 |
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Fibre optic interconnecting devices and passive components -- Basic test and measurement procedures -- Part 3-20: Examinations and measurements -- Directivity of fibre optic branching devices
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GB/T 18311.20-2007
| Valid |
GB/T 18311.20-2007
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