METHOD FOR FORMING COLUMNAR BODY

PROBLEM TO BE SOLVED: To reduce a variation in the strength of a columnar body due to the difference of grounds while securing the high strength of the columnar body. SOLUTION: This method for forming a columnar body in a ground includes a press-fitting step of press-fitting a spiral rod 1 into the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KURE KENICHI, TSUKADA YOSHIAKI
Format: Patent
Sprache:eng
Schlagworte:
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