|
DD296132A5
|
|
Process for treatment of deposits
|
|
CA2010741A1
|
|
Method for treating sediment
|
|
HU900887D0
|
|
Process for treating sediment
|
|
NL8802796A
|
|
Method for treatment of sediment under water.
|
|
NL8601203A
|
|
Suction cutter dredger marine vessel - has guide plates and wheels enclosing anchor pole, for tensile force measurement
|
|
NL8403414A
|
|
Water-bearing stratum consolidation method - is for area deep under water and reduces water pressure under sheet
|
|
NL8403412A
|
|
Ground drainage system - uses water-guiding layer comprising strips of drainage sheet
|
|
NL8401948A
|
|
Oil slick cleaning grid for marine vessel - has two grids with two sets of rods for loosening caked oil and debris
|
|
CA1212130A
|
|
Dredging device
|
|
NL8103283A
|
|
Removing water from sludge, dredged silt etc. - by repeatedly pressurising in vessel contg. filter wicks, each time scraping to clean wicks
|
|
NL8006270A
|
|
Cutter dredger operating below water - has separate outrigger carrying rotary chopper above water swivelable from vertical to horizontal
|
|
CA1149293A
|
|
Method for coupling a pipe section with another pipe section or with the end of a pipe line and means to be employed therefor
|
|
NL8001270A
|
|
Evaporative dewatering of layer of dredged sludge - by covering with gas-permeable layer having capillary action e.g. lengths of fabric
|
|
NL8000840A
|
|
Cutting unit for underwater-trench in rocky ground - using suction cutter dredger with edge cutting disc driven by suction head drive shaft
|
|
NL7904900A
|
|
Method for spraying a layer from a mixture of water and solid particles.
|
