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Publication of NL6600400ApublicationCriticalpatent/NL6600400A/xx
E02F5/00—Dredgers or soil-shifting machines for special purposes
E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
E02F5/10—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables
E02F5/102—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables operatively associated with mole-ploughs, coulters