申请人 |
NIPPON STEEL WELDING PRODUCTS & ENGINEERING CO., LTD. |
发明人 |
ARAKI, NOBUO C/O NIPPON STEEL WELDING PRODUCTS;TABATA, KAZUFUMI C/O NIPPON STEEL WELDING PRODUCTS;YOKOI, KIYOMI C/O NIPPON STEEL WELDING PRODUCTS;ASHIDATE, TADAMI C/O NIPPON STEEL WELDING PRODUCTS;HATTORI, OSAMU C/O NIPPON STEEL WELDING PRODUCTS |