Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5522543
Kind Code:
Y2
Application Number:
JP2648974U
Publication Date:
May 29, 1980
Filing Date:
March 06, 1974
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
G04B3/04; G04B3/02; (IPC1-7): G04B3/04