Document Type and Number:
Japanese Patent JPS5516931
Kind Code:
U
Application Number:
JP9982378U
Publication Date:
February 02, 1980
Filing Date:
July 20, 1978
Export Citation:
International Classes:
B63H16/20; B63H25/42; (IPC1-7): B63H16/14; B63H5/12
Domestic Patent References:
| JPS2611337Y1 |