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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Magnetic polishing machine
Patent number
11,241,768
Issue date
Feb 8, 2022
Priority Co., Ltd.
Tsugio Yamazaki
B24 - GRINDING POLISHING
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Patent Grant
Magnetically-polishing machine and process
Patent number
5,044,128
Issue date
Sep 3, 1991
Priority Co., Ltd.
Osamu Nakano
B24 - GRINDING POLISHING
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Patents Applications
last 30 patents
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Patent Application
MAGNETIC POLISHING MACHINE
Publication number
20200047306
Publication date
Feb 13, 2020
PRIORITY CO., LTD.
Tsugio YAMAZAKI
B24 - GRINDING POLISHING