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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4976630
Kind Code:
U
Application Number:
JP12115272U
Publication Date:
July 03, 1974
Filing Date:
October 20, 1972
Export Citation:
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International Classes:
G03D13/04; G01K1/14; G01K5/02; (IPC1-7): G03D13/04; G01K1/14