Document Type and Number:
Japanese Patent JPS5121520
Kind Code:
Y1
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Application Number:
JP2473666U
Publication Date:
June 04, 1976
Filing Date:
March 17, 1966
Export Citation:
International Classes:
B63C9/08; (IPC1-7): B63C9/16
Domestic Patent References:
| JP9008392U | ||||
| JP12015761Y1 |