Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPH02474
Kind Code:
B2
Inventors:
ASHIKAWA KEITARO
Application Number:
JP25253687A
Publication Date:
January 08, 1990
Filing Date:
October 08, 1987
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
ASHIKAWA KEITARO
International Classes:
D21C3/00; D21C1/00