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BSI BS 2782-5 METHOD 540B – دانلود استاندارد

BSI BS 2782-5 METHOD 540B

8,000تومان

Methods of testing Plastics – Part 5: Optical and colour properties, weathering – Method 540B: Methods of exposure to laboratory light sources, (xenon arc lamp, enclosed carbon arc lamp, open-flame carbon arc lamp, fluorescent tube lamps)