Electrically controlled magnetic movement
作者： Skrobisch Alfred
DOI:
关键词: Acoustics 、 Movement (music) 、 Materials science
摘要:
lens.org 参考文章(3)
Frank R Adams, Polarized self-neutralizing servomotor ,(1953)
Harry W Parmer, Signal indicating device ,(1953)
Knight Milton A, Taylor John A, Electrical indicating device ,(1950)