| 申请人 |
WAKO PURE CHEMICAL INDUSTRIES, LTD., OSAKA, JP;MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD., KADOMA, OSAKA, JP |
发明人 |
URANO, FUMIYOSHI, TOKYO KENKYUSHO OF WAKO, KAWAGOE-SHI, JP;FUJIE, HIROTOSHI, TOKYO KENKYUSHO OF WAKO, KAWAGOE-SHI, JP;OONO, KEIJI, TOKYO KENKYUSHO OF WAKO, KAWAGOE-SHI, JP;NEGISHI, TAKAAKI, TOKYO KENKYUSHO OF WAKO, KAWAGOE-SHI, JP |
