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3689893
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G06 - COMPUTING CALCULATING COUNTING
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3676486
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C07 - ORGANIC CHEMISTRY
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3629563
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Patent number 3,629,563
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G06 - COMPUTING CALCULATING COUNTING
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3623012
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Patent number 3,623,012
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3593833
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Patent number 3,593,833
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3566094
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3458690
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3209998
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2818017
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2746381
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2687251
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2193643
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1782757
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1747680
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1417685
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1416766
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1417106
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1416464
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G06 - COMPUTING CALCULATING COUNTING
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1416023
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G06 - COMPUTING CALCULATING COUNTING
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1416520
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Patent number 1,416,520
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G06 - COMPUTING CALCULATING COUNTING
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1416428
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G06 - COMPUTING CALCULATING COUNTING
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1402812
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G06 - COMPUTING CALCULATING COUNTING
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1403361
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G06 - COMPUTING CALCULATING COUNTING
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1403130
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Patent number 1,403,130
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G06 - COMPUTING CALCULATING COUNTING
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1400842
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G06 - COMPUTING CALCULATING COUNTING
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1397188
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Patent number 1,397,188
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G06 - COMPUTING CALCULATING COUNTING
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1396348
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Patent number 1,396,348
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G06 - COMPUTING CALCULATING COUNTING