Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5249649
Kind Code:
Y2
Application Number:
JP13760672U
Publication Date:
November 11, 1977
Filing Date:
December 01, 1972
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
G01L1/18; H01L29/84; (IPC1-7): H01L29/84