GB/T 18311.40-2003 standard english preview version PDF file download
GB Standard Code
GB/T 18311.40-2003
Standard Category
China National Standards
GB Standard English Title
Fibre optic interconnecting devices and passivecomponents--Basic test and measurement procedures--Part 3-40:Examinations and measurements--Extinction ratio of a polarization maintaining(pm)fibre pigtailed connector
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