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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4931383
Kind Code:
A
Application Number:
JP7107972A
Publication Date:
March 20, 1974
Filing Date:
July 14, 1972
Export Citation:
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International Classes:
G01D7/00
Foreign References:
US3055759A1962-09-25
US3175401A1965-03-30
US3430491A1969-03-04
US3580079A1971-05-25
US3597976A1971-08-10



 
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