|
GB1415175A
|
|
Doad danger lamps
|
|
GB1415174A
|
|
Key for operating a security bolt
|
|
ES214743A3
|
|
Improvements in batteries of accumulators (Machine-translation by Google Translate, not legally binding)
|
|
GB681573A
|
|
Improvements in or relating to apparatus for charging the batteries of miners' electric safety lamps
|
|
GB669601A
|
|
Improvements in or relating to electric storage batteries
|
|
GB657401A
|
|
Improvements in or relating to electric cables
|
|
GB628375A
|
|
Improvements in or relating to apparatus for charging the batteries of miners' electric safety lamps
|
|
GB625561A
|
|
Improvements in electric battery lamps
|
|
GB540181A
|
|
Improvements in or relating to contacts associated with electric batteries
|
|
GB531478A
|
|
Improvements in locks
|
|
GB521084A
|
|
Improvements in electric storage batteries
|
|
GB516296A
|
|
Improvements in or relating to electric battery lamps for miners' use
|
|
GB511551A
|
|
Improvements in miners' lamps
|
|
GB336362A
|
|
Improvements in and relating to closures for containers
|
|
GB327518A
|
|
Improvements in electric fuses
|
|
GB321949A
|
|
Improvements in and relating to electric safety lamps particularly miners' hand lamps
|
|
GB309721A
|
|
Improvements in and relating to safety electric lamps
|
|
GB293162A
|
|
Improvements in and relating to miners' electric safety lamps
|
