HU168317B - Method for backfilling drift or other mine space being rendered or to ae gotten at the mining of deep working of useful minerals
- Google Patents
Method for backfilling drift or other mine space being rendered or to ae gotten at the mining of deep working of useful minerals
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Imre Schmotzer, Sandor Simon, Lajos VargafiledCriticalImre Schmotzer
Priority to HUSO000048priorityCriticalpatent/HU168317B/en
Publication of HU168317BpublicationCriticalpatent/HU168317B/en
HUSO0000481973-10-031973-10-03Method for backfilling drift or other mine space being rendered or to ae gotten at the mining of deep working of useful minerals
HU168317B
(en)