lighting engineering 예문

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1. He was a member of editorial board of " Lighting Engineering " Journal.
2. From the end of 1920 Gershun was a member of Lighting Engineering Committee under the direction of M . A . Shatelen.
3. He was a director of the Leningrad Office of USSR Laboratory Lighting Engineering Society and of the Lighting Engineering Board of USSR Electric Engineering Society.
4. He was a director of the Leningrad Office of USSR Laboratory Lighting Engineering Society and of the Lighting Engineering Board of USSR Electric Engineering Society.
5. From 1947 until his death Gershun was administrative assistant of the Lighting Engineering Committee Engineering Science Board of USSR Science Academy Chairman M . A . Shatelen.