Document Type and Number:
Japanese Patent JPH0575521
Kind Code:
B2
Inventors:
NAKAGAWA TOSHIHIRO
SUZUKI MINORU
SUZUKI MINORU
Application Number:
JP21138384A
Publication Date:
October 20, 1993
Filing Date:
October 11, 1984
Export Citation:
Assignee:
HITACHI ELEVATOR ENG & SERVICE
International Classes:
B23B5/00; B23B3/06; B23Q9/02; (IPC1-7): B23B5/00; B66B11/08
Next Patent: JPH0575522