Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPH02137540
Kind Code:
U
Application Number:
JP4547889U
Publication Date:
November 16, 1990
Filing Date:
April 18, 1989
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
F02D31/00; (IPC1-7): F02D31/00
Domestic Patent References:
JP60147728B