Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to NL6510780ApriorityCriticalpatent/NL6510780A/xx
Publication of NL6510780ApublicationCriticalpatent/NL6510780A/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