Minoru Ieda

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of highly concentrated phosphoric acid
- Patent number 4,797,265
- Issue date Jan 10, 1989
- Mitsui Toatsu Chemicals, Inc.
- Tadashi Inoue
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES