Erik L. Malmqvist

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Skelleftea, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method for indicating concealed deposits
- Patent number 4,587,847
- Issue date May 13, 1986
- Boliden Aktiebolag
- Erik L. Malmqvist
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for measuring radon beneath and above the leve...
- Patent number 4,468,558
- Issue date Aug 28, 1984
- Boliden Aktiebolag
- Erik L. Malmqvist
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for measuring radon in the ground
- Patent number 4,426,575
- Issue date Jan 17, 1984
- Boliden Aktiebolag
- Erik L. Malmqvist
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for detecting alpha-emitting substances
- Patent number 4,417,142
- Issue date Nov 22, 1983
- Boliden Aktiebolag
- Erik L. Malmqvist
- G01 - MEASURING TESTING