Abstract

Get full access to this article
View all access options for this article.
References
1.
Rustamova Zh. O.
, Plast. Massy , No. 2 , 1972 , p. 30 .
2.
Rumyantsev V. D.
, Plast. Massy , No. 2 , 1975 , p. 64 .
3.
Mamedov R. I.
, Plast. Massy , No. 1 , 1973 , p. 39 .
4.
Japanese Patent 7894, 1972 .
5.
Japanese Patent 13525, 1967 .
6.
Czech Patent 7066, 1974
