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Patent Searching and Data

Document Type and Number:
Japanese Patent JPS5819484
Kind Code:
Application Number:
Publication Date:
April 21, 1983
Filing Date:
November 04, 1976
Export Citation:
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International Classes:
G01D5/245; G01D5/20; G01F1/10; G01P3/488; H04R11/08; (IPC1-7): G01P3/488; G01D5/20; G01F1/10