prov:value
| - No. 863,603 filed Oct. 3, 1969, now U.S. Pat. No. 3,601,397, entitled PLAY CENTER HAVING TA- BLE, SWING, SLIDE AND GYMNASTIC BARS. The present lock jointed platform assembly was developed to provide a platform construction that would be tamper-free, cut free and snag free, particularly when employed in devices such as table and seat structures, slide platforms, and like structures exemplified in t
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