Impact drill

Assignee

• Hitachi Koki Co.

Inventors

• Takuma Saito (18 patents)
• Shinki Ohtsu (40 patents)
• Jyunichi Toukairin (2 patents)
• Kenji Kataoka (62 patents)
• Kazuhide Ohzeki (4 patents)
• Shigeru Ishikawa (21 patents)
• Hideki Watanabe (177 patents)

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