Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456 AU209574B2 - An improved mechanism for driving the reels of magnetic sound recording and reproducing machines
- Google Patents
AU209574B2 - An improved mechanism for driving the reels of magnetic sound recording and reproducing machines
- Google Patents
An improved mechanism for driving the reels of magnetic sound recording and reproducing machines
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.)
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Walter Instruments Ltd
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Walter Instruments Ltd
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Publication of AU209574B2publicationCriticalpatent/AU209574B2/en