CN211951753U - 内压增强管 - Google Patents
内压增强管 Download PDFInfo
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- CN211951753U CN211951753U CN202020471921.7U CN202020471921U CN211951753U CN 211951753 U CN211951753 U CN 211951753U CN 202020471921 U CN202020471921 U CN 202020471921U CN 211951753 U CN211951753 U CN 211951753U
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CN202020471921.7U CN211951753U (zh) | 2020-04-02 | 2020-04-02 | 内压增强管 |
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangxi Dongsu Technology Co.,Ltd. Assignor: JIANGXI LIDA PLASTIC PIPE INDUSTRY Co.,Ltd. Contract record no.: X2022990000029 Denomination of utility model: Internal pressure reinforcing tube Granted publication date: 20201117 License type: Common License Record date: 20220114 |
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EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangxi Xinlei Plastic Pipe Industry Co.,Ltd. Assignor: JIANGXI LIDA PLASTIC PIPE INDUSTRY Co.,Ltd. Contract record no.: X2022990000065 Denomination of utility model: Internal pressure reinforcing tube Granted publication date: 20201117 License type: Common License Record date: 20220127 |
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EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangxi Jiutai Plastics Co.,Ltd. Assignor: JIANGXI LIDA PLASTIC PIPE INDUSTRY Co.,Ltd. Contract record no.: X2022990000071 Denomination of utility model: Internal pressure reinforcing tube Granted publication date: 20201117 License type: Common License Record date: 20220129 |