Document Type and Number:
Japanese Patent JPH0247291
Kind Code:
U
Application Number:
JP12525588U
Publication Date:
March 30, 1990
Filing Date:
September 26, 1988
Export Citation:
International Classes:
E21D9/12; B65G29/00; B65G65/48; (IPC1-7): E21D9/12; B65G29/00; B65G65/48
Domestic Patent References:
JPS5231225B2 | 1977-08-13 | |||
JPS5659999A | 1981-05-23 | |||
JPS5838078U | 1983-03-12 |