ATAKA CONSTRUCTION & ENGINEERING CO. LTD

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OSAKA-SHI, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for sampling dust in a duct
- Patent number 5,929,347
- Issue date Jul 27, 1999
- Ataka Construction & Engineering
- Kenji Matsuura
- G01 - MEASURING TESTING
Information Patent Grant
In-duct cleaning apparatus
- Patent number 5,572,766
- Issue date Nov 12, 1996
- Ataka Construction & Engineering Co., Ltd.
- Kenji Matsuura
- B08 - CLEANING
Information Patent Grant
System for cleaning an inside surface of a duct
- Patent number 5,317,782
- Issue date Jun 7, 1994
- Ataka Construction & Engineering Co., Ltd.
- Kenji Matsuura
- B08 - CLEANING
Information Patent Grant
Apparatus for determining any contamination of dust, etc., in a duc...
- Patent number 5,311,641
- Issue date May 17, 1994
- Ataka Construction & Engineering Co., Ltd.
- Kenji Matsuura
- B08 - CLEANING