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A METHOD OF AND DEVICE FOR PRODUCING AND PROTECTING DEPOSITS OF SEDIMENTARY MATERIAL ON THE FLOOR OF BODIES OF WATE

申请公布号:ZA7508026(B)

申请号:ZA19750008026

申请日期:1975.12.29

申请公布日期:1977.06.29

申请人:
LARSEN O

发明人:LARSEN O

分类号:B01D;B03D;E02B3/04;E02B3/12;E02D31/00;F16L1/12

主分类号:B01D

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