Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Youichirou Shimizu0
Kazuyuki Kitamura0
Yoshihiro Yamaguchi0
Date of Patent
May 17, 2022
0Patent Application Number
163202750
Date Filed
November 1, 2017
0Patent Citations
Patent Primary Examiner
A three-dimensional laser cutter can be disposed in a machining room. The machining room includes a ceiling and a plate member. The ceiling is provided with a suction port connected to a suction device. The plate member is disposed below the ceiling with a gap therebetween. The plate member forms a space with the ceiling.
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