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500ccm Cross Belgian Inter
1978
1
Belgium
van den Broek IvanMaico
2
Belgium
van Velthoven JaakKTM
3
Belgium
Vromans AndreSuzuki
4
Belgium
Massant AndréHonda
5
Belgium
Wellens FrancoisYamaha
6
Belgium
Malherbe André KTM
9
Belgium
de Coster Roger Suzuki