CN207598209U - 一种钻具用配风装置 - Google Patents
一种钻具用配风装置 Download PDFInfo
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- CN207598209U CN207598209U CN201721522381.5U CN201721522381U CN207598209U CN 207598209 U CN207598209 U CN 207598209U CN 201721522381 U CN201721522381 U CN 201721522381U CN 207598209 U CN207598209 U CN 207598209U
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CN201721522381.5U CN207598209U (zh) | 2017-11-15 | 2017-11-15 | 一种钻具用配风装置 |
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CN201721522381.5U CN207598209U (zh) | 2017-11-15 | 2017-11-15 | 一种钻具用配风装置 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180928 Address after: 214434 Xiangshan Road 29, Jiangyin City, Wuxi, Jiangsu (Huaxi financial building) Co-patentee after: Hengtong Huaxi Marine Engineering Co. Ltd. Patentee after: Jiangsu Huaxicun Offshore Engineering Service Co., Ltd. Address before: 215600 room 308-247, international consumer goods centre, Beijing Road, Zhangjiagang Free Trade Zone, Suzhou, Jiangsu Patentee before: Hengtong Huaxi Marine Engineering Co. Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 214434 Xiangshan Road 29, Jiangyin City, Wuxi, Jiangsu (Huaxi financial building) Co-patentee after: Hengtong Ocean Engineering Co., Ltd. Patentee after: Jiangsu Huaxicun Offshore Engineering Service Co., Ltd. Address before: 214434 Xiangshan Road 29, Jiangyin City, Wuxi, Jiangsu (Huaxi financial building) Co-patentee before: Hengtong Huaxi Marine Engineering Co. Ltd. Patentee before: Jiangsu Huaxicun Offshore Engineering Service Co., Ltd. |