Document Type and Number:
Japanese Patent JPS52900
Kind Code:
U
Application Number:
JP8542775U
Publication Date:
January 06, 1977
Filing Date:
June 20, 1975
Export Citation:
International Classes:
B63C15/00; B63C3/06; B63C3/12; E02C5/00; (IPC1-7): B63C3/12; E02C5/00
Domestic Patent References:
| JPS49143997U | 1974-12-12 | |||
| JPS402109Y1 | ||||
| JPS4874042A | 1973-10-05 | |||
| JPS4992000U | 1974-08-08 |
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