Office machines course : full keyboard adding listing machine, ten-key adding listing machine, crank-driven calculator, key-driven calculator
Enregistré dans:
| OCLC: | 3590419 |
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| Auteur principal: | |
| Langue: | English |
| Publié: |
Cincinnati : New York,
South-western Pub. Co. ;
[c1942]
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| Sujets: | |
| Format: | Monograph Note that CRL will digitize material from the collection when copyright allows. |