Draft Document - River bottom structures in hydraulic engineering
Document status: [ Withdrawn ]
Drain pipes and percolation pipes - General requirements
Document status: Active
Draft Document - Drainage of landfills - Design, construction and operation
Document status: [ Withdrawn ]
Draft Document - Drainage of landfills - Design, construction and operation
Document status: Active
Drainage of landfills; code of practice for design, construction and operation
Document status: [ Withdrawn ]
Drainage of landfills - Design, construction and operation
Document status: Active
Soil drilling apparatus for drawing soil samples in agricultural engineering; groove borers, tube borers
Document status: Active
Soil drilling apparatur for drawing soil samples in agricultural engineering; rod, rotating borers, sampling spoon, sampling spoon for marshes, twist drills
Document status: Active
