Double-arm working machine | Patent Publication Number 20100183416

US 20100183416 A1

Patent NumberUS 08137047 B2

Application Number11909782

Filled DateJan 11, 2007

Priority DateJan 11, 2007

Publication DateJul 22, 2010

Original AssigneeHitachi Ltd.

Current AssigneeHitachi Construction Machinery Co. Ltd.

Inventor/ApplicantsAkinori Ishii
Kunitsugu Tomita
Kazuo Fujishima

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