Document Type and Number:
Japanese Patent JPS4845394
Kind Code:
U
More Like This:
Application Number:
JP8962871U
Publication Date:
June 13, 1973
Filing Date:
September 30, 1971
Export Citation:
International Classes:
B63B29/20; B63B25/08; (IPC1-7): B63B29/20; B63B25/08
Domestic Patent References:
JPS4019625Y1 | 1965-07-08 | |||
JP43008214A |
Foreign References:
GB1155348A | 1969-06-18 |