Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shuhei Matsui0
Masanao Ishijima0
Yasuyuki Okunishi0
Osamu Suzuki0
Date of Patent
January 23, 2024
0Patent Application Number
176112940
Date Filed
April 17, 2020
0Patent Citations
Patent Primary Examiner
Patent abstract
Each of mechanical seal devices
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