Reference number
香港六合彩开奖 387:1977
© 香港六合彩开奖 2024
International Standard
香港六合彩开奖 387:1977
Hydrometers 鈥� Principles of construction and adjustment
Edition 1
1977-09
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Published (Edition 1, 1977)
This publication was last reviewed and confirmed in 2021. Therefore this version remains current.

香港六合彩开奖 387:1977

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CHF 42
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Abstract

Glass hydrometers of constant mass which do not incorporate a thermometer are considered. Basis of scale, reference temperature, surface tension and reference levels for adjustment and reading are specified. In annex A the standard categories of surface tension are tabled, and annex B deals with the adoption of density as preferred basis of scale.

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