| 申请人 |
TOKYO GAS CO LTD;OSAKA GAS CO LTD;TOHO GAS CO LTD;KIMMON MFG CO LTD;AICHI TOKEI DENKI CO LTD;KANSAI GAS METER CO LTD;TAKENAKA SEISAKUSHO:KK;TOYO GASUMEETAA KK |
发明人 |
NUKUI KAZUMITSU;SAKAI KATSUTO;OKAMURA SHIGENORI;SATO TAKAHITO;AOKI TOSHIAKI;ISSHIKI HISASHI;IMAZAKI MASASHIGE;KANDA KOICHI;SHIBUYA TADAO;NOTO MASAHIRO;MIZUKOSHI YASUSHI |
