Document Type and Number:
Japanese Patent JPS5133881
Kind Code:
Y2
Application Number:
JP4743672U
Publication Date:
August 21, 1976
Filing Date:
April 20, 1972
Export Citation:
International Classes:
G02B5/10; B23K1/005; B23K3/04; C21D1/00; C22B9/00; G02B5/08; (IPC1-7): B23K3/04; B26F1/30; B26F3/14; G02B5/08