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last 30 patents
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Patent Grant
Heat treatment system and heat treatment method
Patent number
10,246,756
Issue date
Apr 2, 2019
Topy Kogyo Kabushiki Kaisha
Weidong Xue
C21 - METALLURGY OF IRON
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Patent Grant
Heat treatment method of pin for endless track
Patent number
9,303,297
Issue date
Apr 5, 2016
Topy Kogyo Kabushiki Kaisha
Weidong Xue
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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Patent Application
HEAT TREATMENT SYSTEM AND HEAT TREATMENT METHOD
Publication number
20170016082
Publication date
Jan 19, 2017
TOPY KOGYO KABUSHIKI KAISHA
Weidong XUE
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR HEAT TREATMENT OF COLUMNAR WORK
Publication number
20100252150
Publication date
Oct 7, 2010
TOPY KOGYO KABUSHIKI KAISHA
Weidong Xue
C21 - METALLURGY OF IRON