WATERTIGHT DOORS WITH CURTAIN MODULES TO PREVENT SMOKE SPREADING
Joint mâle pour vantail, ensemble de joints, porte et véhicule de transport correspondants
Single piece, redundant, bi-directional, seal damage prevention pressure seal
Movable tiepiece-free automatic cleaning water supply equipment
WORK MACHINE, SEAL STRUCTURE FOR SHAFT, AND WORK MACHINE COMPRISING SAID SEAL STRUCTURE