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APPARATUS FOR SAMPLING SEDIMENTS FROM BOTTOM OF POND
APPARATUS FOR SAMPLING SEDIMENTS FROM BOTTOM OF POND
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机译:从池塘底部取样沉积物的装置
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摘要
1.device for sampling of sediment from the bottom of the water, comprising a body made in the form of двухстворчатого грейферного mechanism supplied with the electric штоком - lida rumthe float and th
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