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B60C11/14—Anti-skid inserts, e.g. vulcanised into the tread band
B60C11/18—Anti-skid inserts, e.g. vulcanised into the tread band of strip form, e.g. metallic combs, rubber strips of different wear resistance
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FR42436D1932-08-311932-08-31Bandage en caoutchouc pour véhicules, avec pourtour formé de parties ayant des hauteurs et des élasticités différentes
ExpiredFR42436E
(fr)
Nouveau rail applicable à toutes les voies où circulent des véhicules à roues à boudin, avec bandages en caoutchouc ou revêtus de caoutchouc ou matières analogues