Rammer tamping machines such as small-scale comparative analysis and history – s
Technological innovations in the mass based on the early 60s, Changsha Construction Machinery Research Institute and Beijing Institute and other units Cooperation Summarized the invention with Chinese characteristics breaststroke tamping machine, invented in 1962 by National Science and Technology Award. Breaststroke Compactor simple maintenance, easy to use, quickly become the leading 60's compaction machinery products. […]

