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Tokyo, JP
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last 30 patents
Information
Patent Grant
Arrangement for detection of leakage or weak points in a package mo...
Patent number
5,235,847
Issue date
Aug 17, 1993
Nikka Densok Limited
Anders Thoreson
G01 - MEASURING TESTING
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Patent Grant
Method and apparatus for detecting pinhole
Patent number
4,914,395
Issue date
Apr 3, 1990
Nikka Densok Limited
Yoshikazu Hamada
G01 - MEASURING TESTING
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