SOIL SAMPLING DEVICE

PROBLEM TO BE SOLVED: To solve the problem in which it is very difficult to use a conventional soil sampling device for soil sampling from a small-diameter hole bored by testing equipment such as a Swedish type sounding testing equipment in a sandy soil layer containing much ground water and the wal...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: HASHIMOTO MITSUNORI
Format: Patent
Sprache:eng
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