Document Type and Number:
Japanese Patent JPS59146291
Kind Code:
U
Application Number:
JP4181583U
Publication Date:
September 29, 1984
Filing Date:
March 22, 1983
Export Citation:
International Classes:
B63B19/12; B63B57/00; (IPC1-7): B63B57/00
Domestic Patent References:
| JP54021397B | ||||
| JPS5031687B2 | 1975-10-14 |