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sklademVydáno: 1977
ISO 650
Relative density 60/60 degrees F hydrometers for general purposes
Měna
| Označení normy: | ISO 650 |
| Počet stran: | 8 |
| Vydání: | 1 |
| Vydáno: | 1977 |
Popis
ISO 650
The requirements for five series of glass hydrometers concern reference levels for adjustment and reading, materials, dimensions, form, scale and handling. The annexes deal with standard surface tensions, stem diameters and meniscus corrections.