Document Type and Number:
Japanese Patent JPS5022619
Kind Code:
Y1
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Application Number:
JP10339569U
Publication Date:
July 08, 1975
Filing Date:
November 01, 1969
Export Citation:
International Classes:
G01R31/26; G01R1/073; H01J9/42; H01R33/76; (IPC1-7): G01R31/26; H01J9/42; H01R23/00