Document Type and Number:
Japanese Patent JPS4833396
Kind Code:
A
Application Number:
JP6732271A
Publication Date:
May 09, 1973
Filing Date:
September 01, 1971
Export Citation:
International Classes:
H01F1/06; B01J2/00; B01J2/10; B22F9/04; C22C1/04; C22C28/00; H01F1/08