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- Google Patents
AU244563B2 - Improvements in or relating to electrodynamic microphones
- Google Patents
Improvements in or relating to electrodynamic microphones
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
AU61701/60A
Inventor
Schenkel and Jacob Izaak DeHaan Gerrit
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Filing date
Publication of AU244563B2publicationCriticalpatent/AU244563B2/en
Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV