Document Type and Number:
Japanese Patent JPS61103297
Kind Code:
U
Application Number:
JP18944084U
Publication Date:
July 01, 1986
Filing Date:
December 13, 1984
Export Citation:
International Classes:
B63H20/02; B63H20/00; F02B61/04; (IPC1-7): B63H21/26; F02B61/04
Domestic Patent References:
| JPS5172094A | 1976-06-22 | |||
| JPS5252397U | 1977-04-14 |