Document Type and Number:
Japanese Patent JPS6260697
Kind Code:
U
Application Number:
JP14994185U
Publication Date:
April 15, 1987
Filing Date:
October 02, 1985
Export Citation:
International Classes:
E21D11/40; (IPC1-7): E21D11/40
Domestic Patent References:
JPS5817840U | 1983-02-03 | |||
JP57119897B |
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