Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio 'Henvis, Bertha W., joint author', amser ymholiad: 0.01e Mireinio'r Canlyniadau
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    Design of crystal vibrating systems for projectors and other applications, by William J. Fry, John M. Taylor [and] Bertha W. Henvis. gan Fry, William J.

    Cyhoeddwyd 1948
    Llyfr

    Design of crystal vibrating systems for projectors and other applications, by William J. Fry, John M. Taylor [and] Bertha W. Henvis.

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