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Publication date
Priority to BE790525DpriorityCriticalpatent/BE790525A/xx
Application filedfiledCritical
Priority to NL7114666Aprioritypatent/NL7114666A/xx
Priority to DE19722251895prioritypatent/DE2251895A1/de
Priority to JP10705272Aprioritypatent/JPS4850501A/ja
Priority to FR7237894Aprioritypatent/FR2162872A5/fr
Publication of NL7114666ApublicationCriticalpatent/NL7114666A/xx
E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
E02F3/36—Component parts
E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets