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Original file(1,295 × 1,752 pixels, file size: 293 KB, MIME type: application/pdf, 6 pages)

Summary

Description Christian Hülsmeyer Patent zur Ortung metallischer Objekt. Christian Hülsmeyer Patent for detecting metallic objects.
Date
Source Deutsches Marken und Patentamt German patent search system - look for Patent DE165546
Author Deutsches Marken und Patentamt
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Licensing

Public domain This image is in the public domain according to German copyright law because it is part of a statute, ordinance, official decree or judgment (official work) issued by a German authority or court (§ 5 Abs.1 UrhG).

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Public domain

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.


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30 April 1904Gregorian

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43486c040065a0d73eb4b39a950ce07e652862c9

299,773 byte

1,752 pixel

1,295 pixel

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Date/TimeThumbnailDimensionsUserComment
current03:17, 29 December 2010Thumbnail for version as of 03:17, 29 December 20101,295 × 1,752, 6 pages (293 KB)KekatorBetter quality.
07:36, 4 March 2008No thumbnail0 × 0 (149 KB)HDP{{Information |Description= Christian Hülsmeyer Patent zur Ortung metallischer Objekt |Source=Deutsches Marken und Patentamt [http://www.depatisnet.de/ German patent search system - look for Patent DE165546 |Date=30.April 1904 |Author=Deutsches Marken u
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