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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5772679
Kind Code:
U
Application Number:
JP14916880U
Publication Date:
May 04, 1982
Filing Date:
October 21, 1980
Export Citation:
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International Classes:
G01P5/00; G01F1/66; H04R1/00; (IPC1-7): H04R1/00; G01F1/66; G01P5/00