CN212510082U - 一种隔耐强化复合风管 - Google Patents
一种隔耐强化复合风管 Download PDFInfo
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- CN212510082U CN212510082U CN202020872108.0U CN202020872108U CN212510082U CN 212510082 U CN212510082 U CN 212510082U CN 202020872108 U CN202020872108 U CN 202020872108U CN 212510082 U CN212510082 U CN 212510082U
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- air duct
- layer
- tuber pipe
- outer layer
- inner layer
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- Thermal Insulation (AREA)
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CN202020872108.0U CN212510082U (zh) | 2020-05-22 | 2020-05-22 | 一种隔耐强化复合风管 |
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CN202020872108.0U CN212510082U (zh) | 2020-05-22 | 2020-05-22 | 一种隔耐强化复合风管 |
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CN212510082U true CN212510082U (zh) | 2021-02-09 |
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CN202020872108.0U Active CN212510082U (zh) | 2020-05-22 | 2020-05-22 | 一种隔耐强化复合风管 |
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2020
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of insulation and reinforced composite air duct Effective date of registration: 20220902 Granted publication date: 20210209 Pledgee: Dezhou Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG PIMTECH MECHANICAL AND ELECTRICAL TECHNOLOGY Co.,Ltd. Registration number: Y2022980014285 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230830 Granted publication date: 20210209 Pledgee: Dezhou Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG PIMTECH MECHANICAL AND ELECTRICAL TECHNOLOGY Co.,Ltd. Registration number: Y2022980014285 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A reinforced composite air duct with insulation and resistance Effective date of registration: 20230911 Granted publication date: 20210209 Pledgee: Dezhou Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG PIMTECH MECHANICAL AND ELECTRICAL TECHNOLOGY Co.,Ltd. Registration number: Y2023980056114 |