CN211145739U - 一种大直径直埋式水暖管道补偿器管道连接结构 - Google Patents
一种大直径直埋式水暖管道补偿器管道连接结构 Download PDFInfo
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- CN211145739U CN211145739U CN201921933059.0U CN201921933059U CN211145739U CN 211145739 U CN211145739 U CN 211145739U CN 201921933059 U CN201921933059 U CN 201921933059U CN 211145739 U CN211145739 U CN 211145739U
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CN201921933059.0U CN211145739U (zh) | 2019-11-11 | 2019-11-11 | 一种大直径直埋式水暖管道补偿器管道连接结构 |
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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: Zhongguancun Technology Leasing Co.,Ltd. Assignor: Sanjie energy saving new material Co.,Ltd. Contract record no.: X2022980008802 Denomination of utility model: A pipe connection structure of large diameter directly buried water heating pipe compensator Granted publication date: 20200731 License type: Exclusive License Record date: 20220624 |
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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 pipe connection structure of large diameter directly buried water heating pipe compensator Effective date of registration: 20220627 Granted publication date: 20200731 Pledgee: Zhongguancun Technology Leasing Co.,Ltd. Pledgor: Sanjie energy saving new material Co.,Ltd. Registration number: Y2022980009088 |