Document Type and Number:
Japanese Patent JPS52141049
Kind Code:
U
Application Number:
JP5065576U
Publication Date:
October 26, 1977
Filing Date:
April 21, 1976
Export Citation:
International Classes:
H01J31/20; B21D22/26; B21D24/04; B21D37/00; H01J29/07; (IPC1-7): H01J29/07; B21D24/04; B21D37/00