Document Type and Number:
Japanese Patent JPS4942695
Kind Code:
U
Application Number:
JP8687772U
Publication Date:
April 15, 1974
Filing Date:
July 18, 1972
Export Citation:
International Classes:
B63C9/08; (IPC1-7): B63C9/10
Domestic Patent References:
| JPS4510931Y1 | 1970-05-18 |