Joop Demmenie (19 December 1918 <unk> 3 June 1991) was a road cyclist from the Netherlands. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>
1938 UCI Road World Championships in the men's amateur road race.<unk>1938 UCI Road World Championships in the men's amateur road race. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ 1939 <unk> Brüssel-Hozémont.