Standard Specification for Lap-Joint Type Flange Adapters for Polyethylene Pressure Pipe in Nominal Pipe Sizes <fraction><num>3/4</den></fraction > in. to 65 in.— 9 стр.
Standard Specification for Lap-Joint Type Flange Adapters for Polyethylene Pressure Pipe in Nominal Pipe Sizes <span class='unicode'>¾</span> in. to 65 in.— 8 стр.