Document Type and Number:
Japanese Patent JPS5519665
Kind Code:
Y2
Application Number:
JP13996974U
Publication Date:
May 10, 1980
Filing Date:
November 18, 1974
Export Citation:
International Classes:
H01J37/30; B23K15/00; B23K15/06; H01J37/315; (IPC1-7): B23K15/00; H01J37/315