Document Type and Number:
Japanese Patent JPS5568078
Kind Code:
U
Application Number:
JP15168778U
Publication Date:
May 10, 1980
Filing Date:
November 02, 1978
Export Citation:
International Classes:
G01V3/08; G01V3/10; G01V3/11; G01V3/12; (IPC1-7): G01V3/12