Document Type and Number:
Japanese Patent JPS5536377
Kind Code:
U
Application Number:
JP11972278U
Publication Date:
March 08, 1980
Filing Date:
August 31, 1978
Export Citation:
International Classes:
G01B5/20; G01B21/20; (IPC1-7): G01B21/20; G01B5/20
Foreign References:
US3362668A | 1968-01-09 |