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I claim the ornamental design for a chair frame, as shown and described.
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The broken lines in the drawings illustrate portions of the chair frame which form no part of the claimed design.
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D897140, | Aug 14 2018 | FOSHAN SHUNDE ZHONGPU HARDWARE MACHINERY CO., LTD.; FOSHAN SHUNDE ZHONGPU HARDWARE MACHINERY CO , LTD | Chair armrest |
D904059, | May 14 2019 | ZHEJIANG YUYUE FURNITURE CO , LTD | Chair |
D917217, | Nov 29 2019 | Zhongshan Shi Songlin Furniture Co., Ltd. | Chair back frame |
D917218, | Jan 21 2020 | Zhongshan Shi Songlin Furniture Co., Ltd. | Chair back frame |
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