Document Type and Number:
Japanese Patent JPS57146065
Kind Code:
U
Application Number:
JP3372881U
Publication Date:
September 13, 1982
Filing Date:
March 11, 1981
Export Citation:
International Classes:
G01P3/486; G01D5/30; G01D5/36; (IPC1-7): G01P3/486; G01D5/36