At the socialist Dutch Confederation of Trade Unions (NVV), where he was chairman from 1973 until 1982
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At the socialist Dutch Confederation of Trade Unions (NVV), where he was chairman from 1973 until 1982
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-22 from Wikipedia. The archived copy is preserved so this citation survives link rot.