Document Type and Number:
Japanese Patent JPS5120023
Kind Code:
B2
Application Number:
JP8047271A
Publication Date:
June 22, 1976
Filing Date:
October 12, 1971
Export Citation:
International Classes:
B23K20/00; B23K15/00; B23K20/04; B32B15/18; (IPC1-7): B32B15/18; B23K15/00