"Optical Interfaces " CNS Standards List| Methods Waterproof | Sulfuric acid | Flat File | Rubber Tires | Corrugating medium | Chain link | Unplasticized Polyvinyl | Determination p | |
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CNS 13684
2018 Edition Optical Interfaces for Equipments and Systems Relating the Synchronous Digital Hierarchy 同步數位階層設備與系統之光介面 |
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