Document Type and Number:
Japanese Patent JPS61143138
Kind Code:
U
Application Number:
JP2483285U
Publication Date:
September 04, 1986
Filing Date:
February 25, 1985
Export Citation:
International Classes:
G03B1/12; G03B1/62; G03B17/00; G03B17/36; (IPC1-7): G03B17/36; G03B1/12; G03B1/62; G03B17/00