GB608694A
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US2230682A
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1941-02-04
Interlock for cash registers
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1937-05-04
Automatic overdraft device for
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1963-04-23
Capellaro
GB420807A
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1900-01-01
US1630814A
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1927-05-31
Cash register
GB434369A
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US1966657A
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1934-07-17
von pein
GB749504A
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GB438369A
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GB534146A
(enrdf_load_html_response )
GB530120A
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GB191511254A
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1916-08-04
Improvements in Combined Typewriting and Computing Machines.
GB453280A
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GB783849A
(enrdf_load_html_response )
GB629975A
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GB604165A
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GB417991A
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1900-01-01
GB483093A
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GB285885A
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GB682295A
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GB442856A
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GB528567A
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GB427722A
(enrdf_load_html_response )
GB190828253A
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1909-12-28
Improvements in and relating to Mechanical Calculators.