Hiroshi Yoshino

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Kitakyushu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for recovering etchant from etching waste liquid containing...
- Patent number 5,954,854
- Issue date Sep 21, 1999
- Astec Irie Co., Ltd.
- Tsutomu Inoshita
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...