Inventor · disambiguated record

Mitsuru Marukawa

Also filed as: MARUKAWA MITSURU

1 granted patent·27 citations·filing 2003–2003

43Inventor score

Technology areasB21D

Files withAIR SYSTEM KK1

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1 record

0184US7490872B2Corner piece-less duct, method of producing the same, and duct-forming machineAIR SYSTEM KK·Filed 2003·Granted Feb 17, 2009·27 cites·13 claims

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