Patent:GB331543

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Patent:GB 331543
Title:Improvements in record-card-controlled adding and printing machines
Date:04.07.1930
Place:
Country:Great Britain
Person:Cornelis Hendricus Stuivenberg
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 GB331543 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=GB331543)


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