CN215882111U - 一种用于石墨双极板的打孔装置 - Google Patents
一种用于石墨双极板的打孔装置 Download PDFInfo
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- CN215882111U CN215882111U CN202122197780.1U CN202122197780U CN215882111U CN 215882111 U CN215882111 U CN 215882111U CN 202122197780 U CN202122197780 U CN 202122197780U CN 215882111 U CN215882111 U CN 215882111U
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- sliding table
- punching
- punching assembly
- graphite bipolar
- workbench
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CN202122197780.1U CN215882111U (zh) | 2021-09-13 | 2021-09-13 | 一种用于石墨双极板的打孔装置 |
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CN202122197780.1U CN215882111U (zh) | 2021-09-13 | 2021-09-13 | 一种用于石墨双极板的打孔装置 |
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CN215882111U true CN215882111U (zh) | 2022-02-22 |
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2021
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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 Punching Device for Graphite Bipolar Plate Effective date of registration: 20221201 Granted publication date: 20220222 Pledgee: Jining Bank Co.,Ltd. Jiaxiang sub branch Pledgor: Shandong Yida New Material Co.,Ltd. Registration number: Y2022980024056 |
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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: 20230322 Granted publication date: 20220222 Pledgee: Jining Bank Co.,Ltd. Jiaxiang sub branch Pledgor: Shandong Yida New Material Co.,Ltd. Registration number: Y2022980024056 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |