Document Type and Number:
Japanese Patent JPS50154976
Kind Code:
A
Application Number:
JP6219074A
Publication Date:
December 13, 1975
Filing Date:
May 31, 1974
Export Citation:
International Classes:
B63B25/04; B63B27/28; (IPC1-7): B63B25/04
Domestic Patent References:
| JPS503290B1 | 1975-02-03 | |||
| JPS3716212Y1 |