BS EN 60068-2-70. Environmental testing - Part 2-70. Tests. Test Xb. Abrasion of markings and letterings caused by rubbing of fingers and hands included-in-kit Environmental tests

Name: BS EN 60068-2-70. Environmental testing - Part 2-70. Tests. Test Xb. Abrasion of markings and letterings caused by rubbing of fingers and hands included-in-kit Environmental tests
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Environmental tests

While not all log records require authentication

The formula is an extension of the CIE 1976 L*a*b* colour-difference formula (ISO 11664- 4:2008(E)/CIE S 014-4/E:2007) with corrections for variation in colour-difference perception dependent on lightness

A method for measuring the acoustical transfer impedance

BS EN 60068-2-70. Environmental testing - Part 2-70. Tests. Test Xb. Abrasion of markings and letterings caused by rubbing of fingers and hands included-in-kit Environmental tests

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