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Application filed by Conradty Fa CfiledCriticalConradty Fa C
Priority to DK174552ApriorityCriticalpatent/DK79413C/da
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Publication of DK79413CpublicationCriticalpatent/DK79413C/da
DK174552A1952-05-311952-05-31Negativ, skiveformet lyskasterelektrode af kul eller grafit til højeffektsbuelamper og lyskaster med en sådan elektrode.
DK79413C
(da)