1. 1956-01-01 Inexpensive rubber cement can be made easily with ordinary gasoline and raw sheet rubber.
  2. This report examines the state of knowledge and the future promise of guayule Parthenium argentatum Gray, a little-know shrub native to the desert of southwest Texas and nothern Mexico that was a commercial source of natural rubber during the first half of this century.
  3. 关键资源 2000-01-01 This book covers all practical aspects of growing rubber.