Jan K.ang.hre

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Helsinki, FI

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Patents Grantslast 30 patents

Information Patent Grant
Refractometer
- Patent number 5,742,382
- Issue date Apr 21, 1998
- Janeksko Oy
- Jan K.ang.hre
- G01 - MEASURING TESTING
Information Patent Grant
Method for refractometer measuring using mathematical modelling
- Patent number 5,617,201
- Issue date Apr 1, 1997
- Janesko Oy
- Jan K.ang.hre
- G01 - MEASURING TESTING