19th October 1920, Page 76
19th October 1920
Page 76
Page 76, 19th October 1920
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Steering Gear For Caterpillar Tractors.
A Résumé of Recently Published Patents. Caterpillar Tractors, Ltd., describe in specification. No. 150;455, a transmission gear for caterpillar tractors. The prim cipal feature......