GB173042A
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US2261341A
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1941-11-04
Adding and listing machine
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(cg-RX-API-DMAC7.html )
1926-09-23
GB445424A
(cg-RX-API-DMAC7.html )
GB374469A
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1932-06-10
Cash register
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GB376297A
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GB459663A
(cg-RX-API-DMAC7.html )
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GB750400A
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GB417991A
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GB340256A
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GB293080A
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GB189902859A
(en )
1900-02-08
Improvements in Cash Indicating and Recording Apparatus or Check Tills.
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GB360842A
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GB232967A
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GB490524A
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GB150735A
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