Document Type and Number:
Japanese Patent JPS54156925
Kind Code:
U
Application Number:
JP5559478U
Publication Date:
October 31, 1979
Filing Date:
April 24, 1978
Export Citation:
International Classes:
E01C23/16; A63C19/08; E01C23/20; E01C23/24; (IPC1-7): A63C19/08; E01C23/16
Domestic Patent References:
| JP52153319B | ||||
| JP16006130Y1 | ||||
| JP52130449B | ||||
| JP10006130U |