Shizuo Sagawa

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Ota-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sweeper
- Patent number 5,157,803
- Issue date Oct 27, 1992
- Shizuo Sagawa
- B08 - CLEANING
Information Patent Grant
Pin for sweepers
- Patent number 4,876,761
- Issue date Oct 31, 1989
- Shizuo Sagawa
- B08 - CLEANING