CN212593883U - 一种网球随机角度发球装置 - Google Patents
一种网球随机角度发球装置 Download PDFInfo
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- CN212593883U CN212593883U CN202020637101.0U CN202020637101U CN212593883U CN 212593883 U CN212593883 U CN 212593883U CN 202020637101 U CN202020637101 U CN 202020637101U CN 212593883 U CN212593883 U CN 212593883U
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- 229910052742 iron Inorganic materials 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 description 5
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CN202020637101.0U CN212593883U (zh) | 2020-04-24 | 2020-04-24 | 一种网球随机角度发球装置 |
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Cited By (1)
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CN113617010A (zh) * | 2021-06-07 | 2021-11-09 | 厦门焯柠贸易有限公司 | 一种多发球模式的排球发球机及其使用方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113617010A (zh) * | 2021-06-07 | 2021-11-09 | 厦门焯柠贸易有限公司 | 一种多发球模式的排球发球机及其使用方法 |
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Effective date of registration: 20230721 Address after: 075000 The second floor of the gas station on Huancheng Road, Nanhaochan Town, Shangyi County, Zhangjiakou City, Hebei Province Patentee after: Zhangjiakou Yihui Geographic Information Co.,Ltd. Address before: 330038 room 602, building 28, Jiangan Huijing phase II, 129 Lingkou Road, Hongjiaozhou, Honggutan New District, Nanchang City, Jiangxi Province Patentee before: Xu Shifeng |
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Effective date of registration: 20240621 Address after: 076350 Unit 102, Floor 6 # 5, Jiataiyuan Residential Community, Xiwanzi Town, Chongli District, Zhangjiakou City, Hebei Province Patentee after: Zhangjiakou Jinjia Trading Co.,Ltd. Country or region after: China Address before: 075000 The second floor of the gas station on Huancheng Road, Nanhaochan Town, Shangyi County, Zhangjiakou City, Hebei Province Patentee before: Zhangjiakou Yihui Geographic Information Co.,Ltd. Country or region before: China |