CN208843933U - 一种用于窑炉观察孔装置 - Google Patents
一种用于窑炉观察孔装置 Download PDFInfo
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- CN208843933U CN208843933U CN201821585871.4U CN201821585871U CN208843933U CN 208843933 U CN208843933 U CN 208843933U CN 201821585871 U CN201821585871 U CN 201821585871U CN 208843933 U CN208843933 U CN 208843933U
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- hollow pipe
- aperture
- pipe
- kiln
- aperture apparatus
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CN201821585871.4U CN208843933U (zh) | 2018-09-28 | 2018-09-28 | 一种用于窑炉观察孔装置 |
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CN201821585871.4U CN208843933U (zh) | 2018-09-28 | 2018-09-28 | 一种用于窑炉观察孔装置 |
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CN208843933U true CN208843933U (zh) | 2019-05-10 |
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2018
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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 |
Denomination of utility model: Observation hole device for kiln Effective date of registration: 20191017 Granted publication date: 20190510 Pledgee: Bengbu rural commercial bank Limited by Share Ltd Pledgor: China Building Materials (Bengbu) Photoelectric Material Co., Ltd. Registration number: Y2019340000130 |
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PE01 | Entry into force 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: 20211223 Granted publication date: 20190510 Pledgee: Bengbu rural commercial bank Limited by Share Ltd. Pledgor: CNBM (BENGBU) PHOTOELECTRIC MATERIALS CO.,LTD. Registration number: Y2019340000130 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |