Multifunctional stretching lifting ring
The utility model belongs to the technical field of outdoor fitness equipment, and particularly relates to a multifunctional stretching hanging ring which comprises two supporting columns, a two-way screw rod arranged in a penetrating mode is rotatably installed between the two supporting columns, t...
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Format: | Patent |
Sprache: | chi ; eng |
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Online-Zugang: | Volltext bestellen |
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