|
DE734386C
|
|
Suction dredger
|
|
DE759059C
|
|
Process for the production of a foundation pile
|
|
DE736435C
|
|
Drilling method
|
|
DE697659C
|
|
Deep drilling rig
|
|
DE717532C
|
|
Process for sinking and pulling back foundation bodies under the effect of shaking, as well as equipment for carrying out the process
|
|
DE685123C
|
|
Process for compacting natural ground or bulges of great thickness with rocking
|
|
DE706572C
|
|
Method for introducing hollow bodies, e.g. Hollow piles, pipes, sleeves, etc. Like., in the subsoil
|
|
DE711663C
|
|
Process for introducing solid substances into melts, e.g. of coal powder in molten salt
|
|
DE674822C
|
|
Method according to patent 595007 for consolidating loose masses
|
