Document Type and Number:
Japanese Patent JPH0319628
Kind Code:
U
Application Number:
JP7778389U
Publication Date:
February 26, 1991
Filing Date:
June 30, 1989
Export Citation:
International Classes:
B23D77/00; B24D7/14; B24D7/18; (IPC1-7): B23D77/00; B24D7/14; B24D7/18