Hydraulic excavator

Assignee

• Hitachi Construction Machinery Co.

Inventors

• Shigehisa Hagura (33 patents)
• Tomoyuki Miyata (25 patents)
• Kazuhiko Hiraoka (41 patents)
• Akira Saito (9 patents)
• Teruo Irino (12 patents)
• Makoto Motozu (12 patents)
• Seiichi Kihara (10 patents)
• Tomoyuki Tanaka (80 patents)

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