Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0251316
Kind Code:
U
Application Number:
JP12958988U
Publication Date:
April 11, 1990
Filing Date:
October 04, 1988
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
G02C1/00; G02C9/00; (IPC1-7): G02C1/00; G02C9/00