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Assignee: Steiner Silidur AG

Location: Andelfingen, CH
No. of patents: 1

Number	Title	Issue Date
4521138	Building blocks A building block for walls which are laid in courses without mortar and can be stabilized by planting, has a base wall, a face wall, and two curved side walls. The base wall has rounded transition sections to the face wall and to the side walls. The block...	06/04/1985