Adjustable prosthetic element
Aluminum air vent of louver
Anchor bolt assembly
Anchoring assembly fastenable by an explosive powder driven sett
Anchoring of structures
Apparatus for electric furnace capable of effecting electrode co
Articulated coupling
Articulated, flexible shaft assembly with axially lockable unive
Attachment and locking of finger control rods in a nuclear react
Attachment of microscope objectives
Axial retaining device in particular for a homokinetic tripod jo
Axial thrust resisting in-line coupling