Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio 'International System of Units (SI)', amser ymholiad: 0.01e Mireinio'r Canlyniadau
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    Metrication handbook a guide to understanding metric conversion and using the modern metric system. gan International System of Units (SI)

    Cyhoeddwyd 1982
    Llyfr

    Metrication handbook a guide to understanding metric conversion and using the modern metric system.

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