1977GOST 16233-1977 Asbestos-cement corrugated sheets of unifical profile and detailes for them
0000 GOST 16233-1970
GOST 16233-1977 Asbestos-cement corrugated sheets of unifical profile and detailes for them was changed to GOST 30340-1995 Asbestos-cement corrugated sheets. Specifications.