| 申请人 |
TOKYO GAS CO LTD;OSAKA GAS CO LTD;TOHO GAS CO LTD;AICHI TOKEI DENKI CO LTD;KANSAI GAS METER CO LTD;KIMMON MFG CO LTD;TAKENAKA SEISAKUSHO:KK;TOYO GASUMEETAA KK |
发明人 |
KIMURA YUKIO;SATO TAKAHITO;MIZUKOSHI YASUSHI;NUKUI KAZUMITSU;OKAMURA SHIGENORI;KANDA KOICHI;NAMIMOTO MASANOBU;ISSHIKI HISASHI;KAMITE MINEYUKI |
