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1934-05-08
Method and means for obtaining true
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1962-04-10
Capellaro
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1931-11-24
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1937-02-16
Register
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1900-01-01
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1930-01-21
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1935-01-24
Improvements in or relating to calculating and the like machines
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1962-12-12
Accounting or similar calculating machines
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1923-10-24
Improvements in or relating to calculating machines
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