Eiichi Nakano

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Wakayama, JA

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Patents Grantslast 30 patents

Information Patent Grant
Process for treating waste water containing polyvinyl alcohol
- Patent number 4,066,541
- Issue date Jan 3, 1978
- Sando Iron Works Co., Ltd.
- Yoshikazu Sando
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...