BE563233A - - Google Patents

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Publication number
BE563233A
BE563233A BE563233DA BE563233A BE 563233 A BE563233 A BE 563233A BE 563233D A BE563233D A BE 563233DA BE 563233 A BE563233 A BE 563233A
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BE
Belgium
Prior art keywords
card
holes
perforations
grid
balls
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE563233A publication Critical patent/BE563233A/fr

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BE563233D BE563233A (enrdf_load_stackoverflow)

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BE563233A true BE563233A (enrdf_load_stackoverflow)

Family

ID=184550

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BE563233D BE563233A (enrdf_load_stackoverflow)

Country Status (1)

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BE (1) BE563233A (enrdf_load_stackoverflow)

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