|
US1667155A
(en)
|
|
Drilling bit
|
|
PL41800B1
(https=)
|
|
|
|
ATE19131T1
(de)
|
|
Vorrichtung zum fangen von gegenstaenden im bohrlohr.
|
|
RU168250U1
(ru)
|
|
Телескопическая система отбора керна
|
|
Incarbona et al.
|
|
Middle-late Pleistocene eastern Mediterranean nutricline depth and coccolith preservation linked to Monsoon activity and Atlantic meridional overturning circulation |
|
DK155620C
(da)
|
|
Pakningselementoptageapparat til brug for oliebroende
|
|
US2883154A
(en)
|
|
Method of positioning charges and removing drill stems from shot holes
|
|
SÖRER
|
|
Caves as indicators of neotectonics in Sweden |
|
GB522286A
(en)
|
|
Improvements in hollow tines or prongs for use in piercing and aerating turf or the like
|
|
US2261384A
(en)
|
|
Collapsible transplanting box
|
|
CA1209033A
(en)
|
|
Plug for blasting hole
|
|
US3094180A
(en)
|
|
Rock drilling bit
|
|
Peterken
|
|
The status of native woods in the Scottish uplands |
|
Reimold et al.
|
|
-General Witwatersrand Basin PHENOMENON! |
|
US3026953A
(en)
|
|
Earth auger tip
|
|
DE752908C
(de)
|
|
Druckluftsenkkasten mit unten offenem Foerderschacht
|
|
SU114940A1
(ru)
|
|
Приспособление на буровом стакане дл его свободного извлечени из скважины
|
|
US1901643A
(en)
|
|
Drill bit
|
|
SU131717A1
(ru)
|
|
Бурова коронка
|
|
SU60324A1
(ru)
|
|
Труборезка
|
|
SU636385A1
(ru)
|
|
Инструмент дл бурени в угольном пласте
|
|
Kadonsky
|
|
The use of explosives in clearing land |
|
SU141835A1
(ru)
|
|
Цепна угольна пила УПК-1
|
|
SU109945A1
(ru)
|
|
Фрезерный бур
|
|
DE839924C
(de)
|
|
Werkzeug zur Zertruemmerung von Gestein u. dgl.
|