CN213439644U - 一种石墨电极底孔标线绘制装置 - Google Patents
一种石墨电极底孔标线绘制装置 Download PDFInfo
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- CN213439644U CN213439644U CN202021288359.0U CN202021288359U CN213439644U CN 213439644 U CN213439644 U CN 213439644U CN 202021288359 U CN202021288359 U CN 202021288359U CN 213439644 U CN213439644 U CN 213439644U
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- central shaft
- graphite electrode
- bottom plate
- connecting rods
- cross rod
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CN202021288359.0U CN213439644U (zh) | 2020-07-03 | 2020-07-03 | 一种石墨电极底孔标线绘制装置 |
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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: A kind of graphite electrode bottom hole marking device Effective date of registration: 20220824 Granted publication date: 20210615 Pledgee: Shanghai Pudong Development Bank Co.,Ltd. Shuozhou branch Pledgor: Datong Yulin De Graphite New Materials Co.,Ltd. Registration number: Y2022140000046 |
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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: 20230920 Granted publication date: 20210615 Pledgee: Shanghai Pudong Development Bank Co.,Ltd. Shuozhou branch Pledgor: Datong Yulin De Graphite New Materials Co.,Ltd. Registration number: Y2022140000046 |
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PC01 | Cancellation 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 device for drawing bottom hole markings of graphite electrodes Effective date of registration: 20230921 Granted publication date: 20210615 Pledgee: Shanghai Pudong Development Bank Co.,Ltd. Shuozhou branch Pledgor: Datong Yulin De Graphite New Materials Co.,Ltd. Registration number: Y2023140000055 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |