Document Type and Number:
Japanese Patent JPS497687
Kind Code:
U
Application Number:
JP4889172U
Publication Date:
January 23, 1974
Filing Date:
April 25, 1972
Export Citation:
International Classes:
B63H16/04; (IPC1-7): B63H16/04
Domestic Patent References:
| JPS472207U | 1972-08-25 |
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