File:DE165546.pdf

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


You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Honduras has a general copyright term of 75 years, but it does implement the rule of the shorter term. Copyright may extend on works created by French who died for France in World War II (more information), Russians who served in the Eastern Front of World War II (known as the Great Patriotic War in Russia) and posthumously rehabilitated victims of Soviet repressions (more information).

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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)Kekator (talk | contribs)Better quality.
07:36, 4 March 2008No thumbnail0 × 0 (149 KB)HDP (talk | contribs){{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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