Document Type and Number:
Japanese Patent JPS5160557
Kind Code:
A
Inventors:
FURUKAWA MASAMICHI
Application Number:
JP13530574A
Publication Date:
May 26, 1976
Filing Date:
November 22, 1974
Export Citation:
Assignee:
RICOH KK
International Classes:
G01C3/06; G01C3/00; G01S11/12; (IPC1-7): G01C3/00