Caoutchouc Stock Photos and Images - alamy.com
Oct. 10, 1960 - International Caoutchouc Congress in Berlin: About 1000 visitors of 25 countries have come to Berlin to take part in the International Caoutchouc Congress which is held from Oct. 5th till 8th. Discussed are the latest developments of synthetic caoutchoue and the use of chemical fibre in the manufacturing of caoutchoue.
