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Inventor
NINNEMANN PETER
DE
3 patents
Patents
3 patents
US4648068A
Mar 3, 1987
Memory-programmable controller
SIEMENS AG
20 citations
68
US4627025A
Dec 2, 1986
Memory programmable controller with word and bit processors
SIEMENS AG
9 citations
68
US4853891A
Aug 1, 1989
Memory-programmable controller
SIEMENS AG
2 citations
54