Document Type and Number:
Japanese Patent JPH0520206
Kind Code:
B2
Inventors:
TSUNE RYOICHI
Application Number:
JP27871287A
Publication Date:
March 18, 1993
Filing Date:
November 04, 1987
Export Citation:
Assignee:
TSUNE SEIKI KK
International Classes:
B23D55/08
Next Patent: JPH0520207