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9

Mechanical and plant engineering

Valves and fittings, incl. control systems

Screwed pipe couplings

8989.11

Screwed pipe couplings

8989.12

High-pressure screwed pipes

8989.14

Screwed pipe connections of stainless steel

8989.15

Flare couplings

8989.16

Clamping ring screw connections

8989.17

Cutting ring tube fittings

8989.21

Welding screw fittings

8989.24

Pipe connections, unsoldered (steel)

8989.84

Sterile screw connections