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Патент USA US3070305

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Dec. 25, 1962
L. J. LAPOINTE
3,070,294
CALCULATOR
Original Filed Nov. 19, 1953
42 Sheets-Sheet 1
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Dec. 25, 1962
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Dec. 25, 1962
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Dec. 25, 1962
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Original Filed Nov. 19, 1953
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Dec. 25, 1962
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42 Sheets-Sheet 20
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