Hardness tester

Assignee

• Mitutoyo

Inventors

• Sadayuki Matsumiya (99 patents)
• Yoshiro Asano (48 patents)
• Masaru Kawazoe (19 patents)
• Fumihiko Koshimizu (17 patents)
• Shigeru Ohtani (84 patents)
• Yu Sugai (28 patents)

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