|
GB620212A
|
|
Improvements in or relating to low seam coal cutter-loaders
|
|
GB625463A
|
|
Improvements in or relating to mining machines
|
|
GB620341A
|
|
Improvements in or relating to coal cutting machines
|
|
GB616612A
|
|
Improvements in or relating to mining machines of the cutter loader type
|
|
GB614296A
|
|
Improvements in or relating to mining machines
|
|
GB601438A
|
|
Improvements in or relating to mining machines
|
|
GB602682A
|
|
Improvements in or relating to mining machines
|
|
GB600138A
|
|
Improvements relating to mining machines of the chain cutter type
|
|
GB597464A
|
|
Improvements in or relating to mining machines
|
|
GB588071A
|
|
Improvements in mining conveyors
|
|
GB585983A
|
|
Improvements relating to mining machines
|
|
GB576663A
|
|
Improvements in or relating to mining machines
|
|
GB570860A
|
|
Improvements in or connected with cutter-chains for cutter-chain mining machines
|
|
GB559177A
|
|
Improvements in or connected with machines for cutting coal and like minerals
|
|
GB545718A
|
|
Improvements in or connected with cutter-chain mining machines
|
|
GB493946A
|
|
Improvements in or relating to loader-conveyors used in conjunction with mining machines
|
|
GB488386A
|
|
Improvements in or relating to mining machines
|
|
GB487975A
|
|
Improvements in or relating to conveyors for use in association with mining machines
|
|
GB455437A
|
|
Attachment for mining machines
|
|
GB433168A
|
|
Attachment for coal-cutting and like machines
|
