752 resultados para Invention
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Signatures: pi1 a¹² A-E¹² F⁶.
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At head of title: Thirteenth issue.
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Shipping list no.: 94-0070-P.
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Vol. 1-79 list patents in numerical order, v.80-116 in classified order (selected patents only); new ser. contains extracts from selected patents in classified order.
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Mode of access: Internet.
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Paged continuously.
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Mode of access: Internet.
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Mode of access: Internet.
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"The series was compiled by Alfred D. Flinn, director of Engineering foundation, and originally issued in semimonthly leaflet form [under title 'Research narratives'] for distribution to a small group."
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Mode of access: Internet.
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"Supplementary reading."--p. 52.
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Mode of access: Internet.
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Bibliography: p. xiv.