Structure and set of accessories for realizing the same
CH655339A5
Structure and set of structural elements for constructing the same
CH631508A5
Set of components and use of the same to create a support structure.
CH621174A5
Method of constructing a retaining wall and set of structural parts for carrying out this method
DE2642575A1
Safety ignition lock for vehicle - has ignition or starter circuit broken by electrical combination lock with signal lamp indicating correct combination
CH610966A5
Rock or slope revetment and method of constructing it