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Priority to JP16808485UpriorityCriticalpatent/JPH0230750Y2/ja
Publication of JPS6275444UpublicationCriticalpatent/JPS6275444U/ja
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Publication of JPH0230750Y2publicationCriticalpatent/JPH0230750Y2/ja
Dispositif pour des reservoirs poses sur le sol, en particulier pour les reservoirs contenant des liquides huileux, qui en cas de fuites evitera la pollution de la nappe phreatique