|
GB1090095A
|
|
Improvements in or relating to digital control systems
|
|
US2962897A
|
|
Apparatus for measuring the relative humidity of the air
|
|
GB717230A
|
|
Angularly adjustable girder connection for the progressive lagging of mines
|
|
GB686640A
|
|
Improvements in or relating to lagging members for shoring operations
|
|
US2202198A
|
|
Perforating device
|
|
GB286199A
|
|
Improved method of repairing or reshaping joint elements or fish plates for railway rails
|
|
GB278281A
|
|
Improved method of repairing or reshaping joint elements or fish plates for railway rails
|
|
US1486258A
|
|
Floating dock
|
|
US1486257A
|
|
Floating dock
|
|
US1413603A
|
|
Floating dock
|
|
US1386521A
|
|
Process for the manufacture of artificial threads, ribbons, films, or plates, from viscose
|
|
GB145627A
|
|
Improvements in and relating to a process for the manufacture of artificial threads, ribbons, films or sheets from viscose
|
|
US1346718A
|
|
Hair-fringe
|
|
US1354414A
|
|
Hair-waving
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