| 摘要 |
A office chair having an endless, rigid frame of metal supporting a seat and backrest in which the metal frame has a generally U-shaped configuration with curved surfaces facing a viewer and with engaged, complementary portions of the frame, seat and backrest not only accurately locating the components relative to each other for assembly, but also concealing the unfinished edged of upholstery material and maintaining it tightly and at the same time covering portions of the frame to conceal its massiveness.
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