Apparatus for drawing soil samples in agricultural engineering ; apparatus for soil sampling in undisturbed situation 农业工程用土壤取样器.第1部分:原状地层的土壤取样器
2.
Apparatus for drawing soil samples in agricultural engineering ; apparatus for the investigation and drawing of peat samples 农业工程用土壤取样器.第2部分:泥岩取样和探查用设备