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Inventor
BOEGLI ROLF
CH
2 patents
Patents
2 patents
US4505589A
Mar 19, 1985
Process and apparatus for the colorimetric analysis of printed material
GRETAG AG
157 citations
96
US4649502A
Mar 10, 1987
Process and apparatus for evaluating printing quality and for regulating the ink feed controls in an offset printing machine
GRETAG AG
84 citations
93