Double-trapezoid-shaped self-locking slope-protecting concrete block
The utility model discloses a double-trapezoid-shaped self-locking slope-protecting concrete block in a building masonry structure material. The concrete block is characterized in that a butt-joint self-locking tenon and butt-joint self-locking concave mortise occluded self-locking structure is arra...
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Main Authors | , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
20.03.2013
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Subjects | |
Online Access | Get full text |
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