| 申请人 |
TOKYO GAS CO LTD;OSAKA GAS CO LTD;TOHO GAS CO LTD;AICHI TOKEI DENKI CO LTD;KIMMON MFG CO LTD;TAKENAKA SEISAKUSHO:KK;KANSAI GAS METER CO LTD;TOYO GAS METER KK |
发明人 |
NUKUI KAZUMITSU;KATO HIDEO;SAKAI KATSUTO;SATOU SOUBUN;SATO SHINICHI;OKAMURA SHIGENORI;OKADA SHUICHI;SATO TAKAHITO;HIRAI KANJI;YAMADA KAZUHIRO;OIKE HIDEYUKI;NAMIMOTO MASANOBU;IMAZAKI MASASHIGE;MIZUKOSHI YASUSHI |
