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- A stone mine slope monitoring device-Mu Chi05-20
- A device for leaching test of undisturbed soil column05-20
- A dust removal device for stone mines-Mu Chi05-20
- Temperature and humidity measuring device-Liu Zhe,Wang Huanyuan,Chen Tianqing,Reina,Dong Qiguang,Chen Qian05-20
- A portable dual-purpose soil column testing device05-20
- A digestion tube rack clamping forceps05-20
- A potted plant device for soil profile reconstruction test05-20
- A device for picking up and placing heavy objects in the laboratory05-20
- A test device for simulating solute transport in soil05-20
- An automatic water replenishing Markov bottle-utility model certificate05-20
- A Markov’s bottle-utility model certificate05-20
- A saline-alkali soil improvement system05-20
- A soil evaporation device05-20
- A test device for monitoring the migration of elements inside the soil05-20
- Patent for cleaning device for civil construction05-20