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BSI Group, 04/01/2004
Publisher: BS
File Format: PDF
$19.00$38.10
Published:01/04/2004
Pages:122
Methods of measurement of electro-acoustical characteristics of hearing aids-Hearing aids with automatic gain control circuits
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Methods of sampling and test for sodium and potassium silicates for industrial use-Determination of silica content (titrimetric method)
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Specification for woodworkers' metal-bodied planes
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Specification for industrial eye-protectors