Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio 'Bright, Arthur Aaron 1917-', amser ymholiad: 0.01e Mireinio'r Canlyniadau
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    The electric-lamp industry technological change and economics development from 1800 to 1947 gan Bright, Arthur Aaron 1917-

    Cyhoeddwyd 1949
    Llyfr

    The electric-lamp industry technological change and economics development from 1800 to 1947

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