Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0275099
Kind Code:
U
Application Number:
JP15653388U
Publication Date:
June 08, 1990
Filing Date:
November 30, 1988
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
D06F71/00; D06F71/20; D06F71/40; (IPC1-7): D06F71/40; D06F71/00; D06F71/20
Domestic Patent References:
JPS63286191A1988-11-22
JPS50111390A1975-09-02