| 申请人 |
SHOWA ALUMINUM CORP., SAKAI, OSAKA, JP |
发明人 |
MUNEKAWA, MASAAKI, YUUKI-SHI, IBARAKI, JP;TAKAHASHI, CHUICHI, SANO-SHI, TOCHIGI, JP;HASEGAWA, KAORU, UTSUNOMIYA-SHI, TOCHIGI, JP;FUKUI, KOICHI, OYAMA-SHI, TOCHIGI, JP;FURUKAWA, YUICHI, OYAMA-SHI, TOCHIGI, JP |
