Document Type and Number:
Japanese Patent JPS5033671
Kind Code:
B1
Application Number:
JP1577070A
Publication Date:
November 01, 1975
Filing Date:
February 24, 1970
Export Citation:
International Classes:
G01B7/04; G01B7/02; H03K21/02; (IPC1-7): G01B7/02; H03K21/02