Search Results - Appel, William D.

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  1. 1
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    An Investigation of cotton for parachute cloth / by Appel, William D.

    Published 1931
    Government Document Book

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  2. 2
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    An investigation of cotton for parachute cloth / by Appel, William D., Werner, R. K.

    Published 1931
    Online Access
    Government Document eBook

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