Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio 'Breag, G.R', amser ymholiad: 0.01e Mireinio'r Canlyniadau
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    The utilization of waste heat produced during the manufacture of coconut shell charcoal for the centralised production of copra. gan Breag, G.R

    Cyhoeddwyd 1979
    Llyfr

    The utilization of waste heat produced during the manufacture of coconut shell charcoal for the centralised production of copra.

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