,
6533-78
Ellipsoidaldished hedes, flanged made of steel for vessels apparatus and boilers. Basic dimensions
6533-78*
6533-68
26 1978 . 2771
01.01.80
1984 . 28.06.84 2166
01.01.90
1. , 4 120 , 133 4500 .
2. h = 0,25 D . 1 . 1.
. 1
1
01.07.2015
