4. Mining or in situ disintegration of hard material
  5. Tunnel recovery of fluid material

Andrejs Zvejnieks

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Method of recovering liquid and gaseous products of oil shale

Mining or in situ disintegration of hard material – Tunnel recovery of fluid material
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Technology for the production of inverse emulsion polymers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
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Profile ID: LFUS-PAI-P-824242

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