Arnold Haarmann und Patents - Info zur Person

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CN A - 用于在井下采矿操作的崩落采矿法中开采回采产物的装置 Google Patents

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GB A Arnold Haarmann Improvements relating to a method and apparatus for mining. US A *

DE C - Schaleisen Google Patents

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Application filed by Arnold Haarmann Dr Ing Priority to DEH1821D Application granted Publication of DE C.

DE C - Grubenstempel Google Patents

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Cited By (2). Publication number Priority date Publication date Assignee Title. DE C * Arnold Haarmann Dr Ing Grubenstempel.

DE C - Grubenstempel Google Patents

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E21D Telescopic props with parts held relatively to each other by friction or gripping with special parts to influence the friction. DE C. DE Grant. Download PDF Find Prior Art. Other languages: German: English; Inventor: Dr-Ing Arnold Haarmann; Original Assignee: Arnold Haarmann Dr Ing; Priority date.

US A - Pit prop Google Patents

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23, OFFICE PIT PROP Arnold Haarmann, Brambauer, Westphalia, Germany Application March 22, 1950, Serial No. 151, Claims. This invention ...

DE B - Strebausbau Google Patents

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DE B *, 22 Jul 1955, 24 Apr 1958, Arnold Haarmann Dr Ing, Wandernder Grubenausbau fuer bergmaennische Gewinnungsbetriebe. DE B *, 7 Jun 1956, 31 Jul 1958, Hans Joachim Von Hippel Dr Ing, Mechanisiertes, den Hangenddruck grossflaechig abstuetzendes Ausbauelement. DE B *, 4 Jul ...

US A - Lifting-jack Google Patents

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US *, 2 Dec 1957, 6 Jun 1961, Arnold Haarmann, Prop arrangement for mines. US *, 3 Apr 1968, 20 Oct 1970, Raymond Bore, Mine props.

US A - Clothes bbieb - Google Patents

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US *, 22 Mar 1950, 23 Feb 1954, Arnold Haarmann, Pit prop. US *, 5 Oct 1967, 4 Aug 1970, Himmel Martin, Indoor clothes drier. US *, 11 Feb 1970, 29 Feb 1972, Hansen Svend Georg, Display stands. US , 12 Dec 2001, 14 Jan 2003, Anthony A. Panetta, Supporting pole.

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