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Toyo Kogyo


Toyo Kogyo
Parts Manufacturer

Page Sections
Documents


Documents

DateDocument Name & DetailsDocuments
28 December 1976Method of Surface Hardening
United States Patent US 4,000,011
Nobuaki Sato and Katsuro Yamasaki for Toyo Kogyo Co., Ltd. and Yoshiwa Kogyo Kabushiki Kaisha

PDF
- 2.3MB - 5 pages





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