CH432070A - Schnellocher, insbesondere für in mathematischen Maschinen zu verwendenden Lochstreifen
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Schnellocher, insbesondere für in mathematischen Maschinen zu verwendenden Lochstreifen
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CH432070A
CH432070ACH968865ACH968865ACH432070ACH 432070 ACH432070 ACH 432070ACH 968865 ACH968865 ACH 968865ACH 968865 ACH968865 ACH 968865ACH 432070 ACH432070 ACH 432070A
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Application filed by Vyzk Ustav Matemat StrojufiledCriticalVyzk Ustav Matemat Stroju
Publication of CH432070ApublicationCriticalpatent/CH432070A/de