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Patent Searching and Data


Title:
大径鋼管用管内面研削装置
Document Type and Number:
Japanese Patent JP6551365
Kind Code:
B2
Inventors:
Semura Tamura
Shinichi Yamada
Satoru Matsuzaki
Application Number:
JP2016212676A
Publication Date:
July 31, 2019
Filing Date:
October 31, 2016
Export Citation:
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Assignee:
jfe Steel Corporation
International Classes:
B24B5/40
Domestic Patent References:
JP57096755U
JP2007953U
JP59030658A
JP9052118A
Foreign References:
US20110107571
KR1020150127398A
CN103506903A
Attorney, Agent or Firm:
Isomura Tetsuro
Akira Kumasaka
Tetsuya Sakai
Kazuhiro Mori