CN103304264B - 一种提高永磁铁氧体内禀矫顽力的方法 - Google Patents
一种提高永磁铁氧体内禀矫顽力的方法 Download PDFInfo
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CN110342923A (zh) * | 2019-06-17 | 2019-10-18 | 横店集团东磁股份有限公司 | 一种提高取向度和性能的干压异性铁氧体细粉制备方法及干压异性永磁铁氧体 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: Method for improving intrinsic coercive force of permanent magnetic ferrite Effective date of registration: 20181224 Granted publication date: 20141112 Pledgee: Industrial Commercial Bank of China Ltd Dongyang branch Pledgor: Zhejiang Kaiven Magnet Co., Ltd. Registration number: 2018330000515 |
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Date of cancellation: 20200304 Granted publication date: 20141112 Pledgee: Industrial Commercial Bank of China Ltd Dongyang branch Pledgor: Zhejiang Kaiven Magnet Co., Ltd. Registration number: 2018330000515 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method for improving intrinsic coercive force of permanent magnetic ferrite Effective date of registration: 20200306 Granted publication date: 20141112 Pledgee: Industrial Commercial Bank of China Ltd Dongyang branch Pledgor: Zhejiang Kaiven Magnet Co., Ltd. Registration number: Y2020330000079 |