HU903983D0 - Process for constructing vertical or nearly vertical mine areas and wells or pits for other purposes by using express lifts
- Google Patents
Process for constructing vertical or nearly vertical mine areas and wells or pits for other purposes by using express lifts
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Publication number
HU903983D0
HU903983D0HU903983AHU398390AHU903983D0HU 903983 D0HU903983 D0HU 903983D0HU 903983 AHU903983 AHU 903983AHU 398390 AHU398390 AHU 398390AHU 903983 D0HU903983 D0HU 903983D0
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Application filed by Oroszlanyi Szenbanyak, Banyaszati AknamelyitofiledCriticalOroszlanyi Szenbanyak
Priority to HU903983ApriorityCriticalpatent/HU903983D0/en
Publication of HU903983D0publicationCriticalpatent/HU903983D0/en
HU903983A1990-06-261990-06-26Process for constructing vertical or nearly vertical mine areas and wells or pits for other purposes by using express lifts
HU903983D0
(en)