Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPS54135090
Kind Code:
U
Application Number:
JP3107078U
Publication Date:
September 19, 1979
Filing Date:
March 11, 1978
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
G02C3/00; A61F9/02; G02C5/00; (IPC1-7): A61F9/02; G02C5/00