Sumio Ando

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Izuo, Taisho-ku Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Duct-cleaning unit
- Patent number 6,249,927
- Issue date Jun 26, 2001
- Sumio Ando
- B08 - CLEANING
Information Patent Grant
Cleaning apparatus for raw material transfer pipe
- Patent number 4,653,134
- Issue date Mar 31, 1987
- Sumio Ando
- B08 - CLEANING