Carl-Olof Oskar Morfeldt

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Lidingo, SW

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Patents Grantslast 30 patents

Information Patent Grant
Method of sealing the rock around a rock chamber intended for a med...
- Patent number 3,934,420
- Issue date Jan 27, 1976
- Erik Ingvar Janelid
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS