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cassettes | |||
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losse band | |||
audiocassette f | |||
cassette f | |||
magneetbandcassette f |
Kassetten : 38 phrases in 8 subjects |
Communications | 2 |
Construction | 2 |
Cultural studies | 1 |
General | 1 |
Information technology | 6 |
Materials science | 1 |
Mechanic engineering | 1 |
Patents | 24 |