
Methods Of Testing Plastics - Optical And Colour Properties, Weathering - Plastics - Determination Of The Total Luminous Transmittance Of Transparent Materials - Single-beam Instrument
出版:British Standards Institution

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Methods Of Testing Plastics - Optical And Colour Properties, Weathering - Plastics - Determination Of The Total Luminous Transmittance Of Transparent Materials - Single-beam Instrument
出版:British Standards Institution
专家解读视频