Toa Wenryo Kogyo Kabushiki Kaisha

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Tokyo, JP

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Process for producing optically anisotropic carbonaceous pitch
- Patent number 4,601,813
- Issue date Jul 22, 1986
- Toa Wenryo Kogyo Kabushiki Kaisha
- Takayuki Izumi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING

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