| 摘要 |
PURPOSE: Provided is masonry block for firm block assembly without mortar, which simplifies process and reduces construction period. CONSTITUTION: The masonry block which has cavity(11) inside to make block assembly is comprised of the following as: lengthwise groove(12) in the middle of width orientation on the both sides of the block body(1); connectable groove(14) and tongue(15) symmetrically on the both sides of the lengthwise groove; crosswise groove(13) in the middle of the block body, biased tongue(16) on both sides of it, biased groove(17) combined with the rib.
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