发明名称 |
Process for positioning various poles and the like and device for embodying the same |
摘要 |
A pin is engaged in a tubular sleeve and both the sleeve and the pin are driven into the ground with the pin protruding beneath the sleeve. A stop is applied on top of the sleeve and the pin is removed and a pole is then inserted into the sleeve.
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申请公布号 |
US3894589(A) |
申请公布日期 |
1975.07.15 |
申请号 |
US19730320743 |
申请日期 |
1973.01.03 |
申请人 |
CIRAUD, LEONE ISAURE MARIE |
发明人 |
CIRAUD, PIERRE ALFRED LEON |
分类号 |
A01G17/16;E04H12/22;E04H12/34;(IPC1-7):E21B11/02 |
主分类号 |
A01G17/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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