Nakagawa Sangyo |
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Documents |
| Date | Document Name & Details | Documents |
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| 6 August 2013 | Method for Manufacturing Basalt Fiber United States Patent US 8,501,643 Sumio Kamiya, Hironori Sasaki and Noriaki Nakagawa for Toyota Jidosha Kabushiki Kaisha and Nakagawa Sangyo |  PDF - 484KB - 7 pages |