| 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 GASUMEETAA KK |
发明人 |
NUKUI KAZUMITSU;KATO HIDEO;SAKAI KATSUTO;SATOU SAEMON;SATO SHINICHI;OKAMURA SHIGENORI;SATO TAKAHITO;SANNOMIYA SHIZUO;ISSHIKI HISASHI;IMAZAKI MASASHIGE;YAMADA KAZUHIRO;SHIBUYA TADAO;MIZUKOSHI YASUSHI |
