| 摘要 |
This invention relates to a self-interlocking grille structure comprising a plurality of the bars curved to provide a required surface geometry, which bars including a series of notches and holes, and a plurality of rods wherein said plurality of bars are criss crossed to form a network of bars and said rods threaded through said holes in the bars criss cross each other forming a network of rods which network of rods is embedded into the network of the bars.
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