| 摘要 |
Body (1) of the brick obliquely cut from a profiled either full or hollow mass with alternative parallel slots (2, 3, 4, 5) and protrudings on the sides (6, 7) and (8, 9) of rhomboidal shape to solidly mutually coupling of parallel series of alternating slanted intersection and revolving of bricks by 1800 around its horisontal shaft.
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