Document Type and Number:
Japanese Patent JPS528373
Kind Code:
Y2
Application Number:
JP7603671U
Publication Date:
February 22, 1977
Filing Date:
August 23, 1971
Export Citation:
International Classes:
H01J23/10; B23K33/00; H01J23/213; H01J25/50; (IPC1-7): H01J23/10; B23K33/00; H01J23/213; H01J25/50
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