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US1284827A
|
|
Ball-bearing.
|
|
US1251449A
|
|
Clamping device for ball-bearings.
|
|
US1231818A
|
|
Ball-grinding machine.
|
|
US1172648A
|
|
Self-adjusting antifriction-bearing.
|
|
CA155959A
|
|
Ball bearing
|
|
CA150183A
|
|
Ball bearing
|
|
GB191312073A
|
|
Improvements in or relating to Ball Bearings.
|
|
CA155958A
|
|
Ball bearing
|
|
US1066067A
|
|
Apparatus for the treatment of ammonium sulfate.
|
|
GB190701904A
|
|
Improvements in Presses for Moulding Artificial Stone Blocks and the like.
|
|
GB190701502A
|
|
Improvements in and relating to Presses for Moulding Artificial Stone Slabs and the like.
|
|
GB190619077A
|
|
Improved Moulding Press
|
|
CA77089A
|
|
Valve for steam engines
|
|
US712744A
|
|
Valve-gear for engines.
|
|
GB190123938A
|
|
Improvements in Valve Gear for Steam and similar Power Engines.
|
|
GB190104515A
|
|
A New or Improved Method and Apparatus for Distributing the Steam in Steam Engines
|
