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1.发明授权Production of magnetic recording media using copolyamide bender for ferromagnetic powder 失效使用共轭聚酰胺弯曲机生产铁磁粉末的磁记录介质
公开(公告)号：US3387995A
公开(公告)日：1968-06-11
申请号：US35263264
申请日：1964-03-17
Applicant: BASF AG
Inventor： WERNER SENKPIEL , KARL DACHS , HANS WILHELM , HERBERT WAGNER , GUENTER BECHT , GERHARD WERST
CPC classification number: G11B5/702 , Y10S428/90 , Y10T428/31736 , Y10T428/31765 , Y10T428/31786
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