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Title:
対流型地中熱交換井
Document Type and Number:
Japanese Patent JP4928644
Kind Code:
B1
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Inventors:
Hideki Nakagome
Application Number:
JP2011180026A
Publication Date:
May 09, 2012
Filing Date:
August 20, 2011
Export Citation:
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Assignee:
Hideki Nakagome
International Classes:
E02D3/10; F24J3/08
Domestic Patent References:
JPH04115011A1992-04-15
JP2004092049A2004-03-25
JP2000154551A2000-06-06
JPH05125741A1993-05-21
JP2006349295A2006-12-28
JP2004177013A2004-06-24
JPS60250122A1985-12-10
Attorney, Agent or Firm:
Hiroshi Dobashi



 
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