Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio 'Sung, Ying-hsing fl. 1615-1644', amser ymholiad: 0.01e Mireinio'r Canlyniadau
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    T'ien-kung K'ai-wu ; Chinese technology in the seventeenth century gan Sung, Ying-hsing fl. 1615-1644

    Cyhoeddwyd 1966
    Llyfr

    T'ien-kung K'ai-wu ; Chinese technology in the seventeenth century

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