Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5317869
Kind Code:
B1
Application Number:
JP4352271A
Publication Date:
June 12, 1978
Filing Date:
June 16, 1971
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
H01L21/76; (IPC1-7): H01L21/76



 
Previous Patent: JPS5317868

Next Patent: WATER QUALITY PURIFICATION DEVICE