Document Type and Number:
Japanese Patent JPH0311522
Kind Code:
U
Application Number:
JP7231089U
Publication Date:
February 05, 1991
Filing Date:
June 20, 1989
Export Citation:
International Classes:
B23D77/00; B23G5/04; B23G5/06; (IPC1-7): B23G5/06; B23D77/00; B23G5/04