Document Type and Number:
Japanese Patent JPH0348738
Kind Code:
U
Application Number:
JP11021689U
Publication Date:
May 10, 1991
Filing Date:
September 19, 1989
Export Citation:
International Classes:
G01K11/12; G02F1/13; (IPC1-7): G01K11/12; G02F1/13
Next Patent: JPH0348739