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- Title
- Der Delphin Verkäufer
- Subtitle
- Erfolgs-Selling statt Power-Selling
- Language
- German
- Authors
- Hermann Koch
- Publisher
- Metropolitan Verlag GmbH
- Released
- 1996
- Format
- Hardcover
- Pages
- 222
- ISBN10
- 3896230433
- ISBN13
- 9783896230430
- Series
- Tags