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BS EN ISO 12759-5. Fans. Efficiency classification for fans - Part 5. Jet fans has-tracked-changes wavelength blockers and wavelength selective
BS EN ISO 12759-5. Fans. Efficiency classification for fans - Part 5. Jet fans has-tracked-changes wavelength blockers and wavelength selective
$20.00
Description
wavelength blockers and wavelength selective switches as “dynamic modules
material and surface treatment
3 a fatigue test was added
This International Standard is appropriate for organic compounds containing free isocyanate functional groups and is specific for the quantification of monomers
BS EN ISO 12759-5. Fans. Efficiency classification for fans - Part 5. Jet fans has-tracked-changes wavelength blockers and wavelength selective
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