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Inventor
DOERWALD B CLAUS
DE
2 patents
Patents
2 patents
US5239252A
Aug 24, 1993
Method and apparatus for controlling single or multiphase a.c. power controllers
SIEMENS AG
22 citations
88
US5159657A
Oct 27, 1992
Method and apparatus for controlling single or polyphase a.c. power controllers
SIEMENS AG
7 citations
69