Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPH02144165
Kind Code:
U
Application Number:
JP5369889U
Publication Date:
December 06, 1990
Filing Date:
May 10, 1989
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
G11B20/02; G10K15/02; G10K15/04; H04H7/00; (IPC1-7): G11B20/02; G10K15/04; H04H1/02; H04H7/00
Domestic Patent References:
JPS636984A1988-01-12
JPS61175967A1986-08-07