Document Type and Number:
Japanese Patent JPS6446503
Kind Code:
U
Application Number:
JP14086987U
Publication Date:
March 22, 1989
Filing Date:
September 17, 1987
Export Citation:
International Classes:
B66F9/22; F15B9/17; (IPC1-7): F15B9/17; B66F9/22
Domestic Patent References:
JPS5410870A | 1979-01-26 | |||
JP51075153B | ||||
JPS507322A | 1975-01-25 | |||
JPS4526256Y1 | 1970-10-14 |