NA 109
DIN Standards Committee Petroleum and Natural Gas Industries
DIN 4111 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| BBergG | 1980-08-13 | Federal Mining Act (BBergG) More |
| TiefbohrV BE | 1981-12-01 | Mining ordinance on deep wells, deep storage and the extraction of natural resources by means of drillings in the Land Berlin (Deep Well Ordinance - BVOt Bln) More |
| TiefbohrV BW | 1981-10-27 | Mining ordinance on deep wells, the extraction of natural resources as well as the erection and operation of gas containers (Mining Ordinance on Deep Wells and Gas Containers - TGBPVO) More |
