Document Type and Number:
Japanese Patent JPH0326477
Kind Code:
Y2
Application Number:
JP19705984U
Publication Date:
June 07, 1991
Filing Date:
December 26, 1984
Export Citation:
International Classes:
G12B1/04; G01K5/36; G01K5/44; G12B1/00; (IPC1-7): G12B1/04; G01K5/44
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