| 摘要 |
A composite structure and an assembly joint for a floor system and the like is disclosed of the type having a plurality of elongated boards arranged generally in a side-by-side and end-to-end abutting configuration wherein an assembly joint is provided for joining the ends of the boards together while the individual boards are joined in a plurality of side-by-side, integral pre-assembled sections. The ends of each board include a groove which defines a unique upper and lower end portion construction which operates with an elongated channel strip to provide a highly improved joint.
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