A mining machine with roof bolting attachment,and roof bolting attachment therefor
Номер патента: ZA917025B
Опубликовано: 24-06-1992
Автор(ы): George Papageorgiou, Howatson John, John Howatson, Papageorgiou George
Принадлежит: Anderson Group PLC
Опубликовано: 24-06-1992
Автор(ы): George Papageorgiou, Howatson John, John Howatson, Papageorgiou George
Принадлежит: Anderson Group PLC
A mining machine with roof bolting attachment,and roof bolting attachment therefor
Номер патента: GB9302811D0. Автор: . Владелец: Anderson Group PLC. Дата публикации: 1993-05-05.