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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5031739
Kind Code:
B1
Application Number:
JP1793970A
Publication Date:
October 14, 1975
Filing Date:
March 04, 1970
Export Citation:
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International Classes:
H01J61/06; H01J61/073; (IPC1-7): H01J61/073



 
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