Reaction tube
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The dashed-dot-dashed lines represent the boundary lines of the claimed design.
The broken lines shown in the drawings represent portions of the reaction tube that form no part of the claimed design.
Claims
The ornamental design for a reaction tube, as shown and described.
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Type: Grant
Filed: Mar 2, 2016
Date of Patent: Jun 27, 2017
Assignee: HITACHI KOKUSAI ELECTRIC INC. (Tokyo)
Inventors: Akihiro Osaka (Toyama), Hideto Yamaguchi (Toyama), Motoya Takewaki (Toyama)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/556,684