Adjustable grills for use as doors, windows, gates or the like
Anchor clamp for serrated grating
Collapsible security grille
Grille clip
Plate for false floors
Protective screen for improving the fire resistance of building
Screening device
Security window bar system
Self-locking ceiling panels
Slotted bolt seat fastening device
Structure for combining two bodies
Structure for combining two bodies and sheeting
Window safety barrier