CN210637611U - 一种高强度双壁波纹管 - Google Patents
一种高强度双壁波纹管 Download PDFInfo
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- CN210637611U CN210637611U CN201921284927.7U CN201921284927U CN210637611U CN 210637611 U CN210637611 U CN 210637611U CN 201921284927 U CN201921284927 U CN 201921284927U CN 210637611 U CN210637611 U CN 210637611U
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CN201921284927.7U CN210637611U (zh) | 2019-08-09 | 2019-08-09 | 一种高强度双壁波纹管 |
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GR01 | Patent grant | ||
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CP01 | Change in the name or title of a patent holder |
Address after: No. 208, Jinzhou Avenue West, Ningxiang high tech Industrial Park, Changsha, Hunan 410600 Patentee after: Hunan Ritong New Material Co.,Ltd. Address before: No. 208, Jinzhou Avenue West, Ningxiang high tech Industrial Park, Changsha, Hunan 410600 Patentee before: Hunan Xinhao New Material Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: No. 1009, building C4, luguyuyuan, No. 27, Wenxuan Road, high tech Development Zone, Changsha City, Hunan Province, 410205 Patentee after: Hunan Ritong New Material Co.,Ltd. Address before: No. 208, Jinzhou Avenue West, Ningxiang high tech Industrial Park, Changsha, Hunan 410600 Patentee before: Hunan Ritong New Material Co.,Ltd. |
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CP02 | Change in the address of a patent holder |