Document Type and Number:
Japanese Patent JPS5421547
Kind Code:
Y2
Application Number:
JP13163075U
Publication Date:
July 31, 1979
Filing Date:
September 25, 1975
Export Citation:
International Classes:
B23K20/00; B23D29/00; B23D29/02; (IPC1-7): B23K21/00; B23D29/00