10/30228493 DC : 0被替代
BS EN 61753-031-3 - FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - PERFORMANCE STANDARD - PART 31-3: NON-CONNECTORISED SINGLE-MODE 1XN AND 2XN NON-WAVELENGTH WAVELENGTH-SELECTIVE BRANCHING DEVICES FOR CATEGORY U - UNCONTROLLED ENVIRONMENT
出版：British Standards Institution
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