| 申请人 |
TOKYO GAS CO LTD;OSAKA GAS CO LTD;TOHO GAS CO LTD;KANSAI GASUMEETA KK;TAKENAKA SEISAKUSHO:KK;TOYO GASUMEETAA KK |
发明人 |
KOJIMA TERUHISA;KOMAKI MASAYUKI;MORITA HIROSHI;MURAKAMI TAKATOSHI;SATO YASUO;OKADA HIROSHI;KURAGANO TAKETOSHI;KOBAYASHI SHUN;KAMITE MINEYUKI;MATSUSHITA MASAHIKO;MIZUKOSHI JIRO;HORI FUJIO |
