Plug for a refining apparatus

Assignee

• Shinagawa Refractories Co.

Inventors

• Masahisa Tate (4 patents)
• Makoto Watanabe (304 patents)
• Hideaki Nishio (38 patents)
• Junji Onmyoji (1 patents)
• Eiji Yokogi (1 patents)
• Hiroaki Shimizu (3 patents)
• Kuniaki Miyamaoto (1 patents)
• Koichiro Kishita (1 patents)
• Masakatsu Tsutsui (1 patents)

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