Document Type and Number:
Japanese Patent JPH0252310
Kind Code:
U
More Like This:
Application Number:
JP12944988U
Publication Date:
April 16, 1990
Filing Date:
October 01, 1988
Export Citation:
International Classes:
H01F27/02; H01F17/06; (IPC1-7): H01F15/02
Domestic Patent References:
JPS60144298U | 1985-09-25 |
Next Patent: SOFT EDGE PART DIAPHRAGM FOR LASER BEAM