Tubes and sheets of low-density PE (low-density polyethylene) and high-density PE (high density polyethylene); resistance to chemicals, recommended practice— 9 стр.
Pipe-lines of high-density PE (high-density polyethylene) and low-density PE (low density polyethylene) for drinking water supply; pipes, pipe connections and fittings for pipe-lines— 6 стр.
Tubes and sheets of low-density PE (low-density polyethylene) and high-density PE (high density polyethylene); resistance to chemicals, recommended practice— 9 стр.
Pipe-lines of high-density PE (high-density polyethylene) and low-density PE (low density polyethylene) for drinking water supply; pipes, pipe connections and fittings for pipe-lines— 6 стр.