Title:
【発明の名称】針状磁性酸化鉄粒子粉末の製造法
Document Type and Number:
Japanese Patent JP2970705
Kind Code:
B2
Inventors:
KUROKAWA HARUMI
Application Number:
JP21608491A
Publication Date:
November 02, 1999
Filing Date:
July 31, 1991
Export Citation:
Assignee:
TODA KOGYO KK
International Classes:
C01G49/00; C01G49/06; C01G49/08; H01F1/11; (IPC1-7): C01G49/08; C01G49/00; C01G49/06; H01F1/11
Domestic Patent References:
| JP4357119A | ||||
| JP4204949A | ||||
| JP2167829A | ||||
| JP4317421A |