Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4831399
Kind Code:
U
Application Number:
JP7916671U
Publication Date:
April 17, 1973
Filing Date:
August 30, 1971
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
D06F75/18; (IPC1-7): D06F75/18