| 申请人 |
ASAHI KASEI KENZAI KK;NIPPON CONCRETE IND CO LTD;MITANI SEKISAN CO LTD;TOYO ASANO FOUND CO LTD;YOOKON KK;NIPPON HUME PIPE CO LTD;UNION PILE KK;KOJIMA SEISAKUSHO:KK |
发明人 |
FUNAYAMA HIKOSHIRO;TOYODA SATORU;ARAKI TAKASHI;FUJIKAWA KEIZO;SHIODA SHIGETOSHI;TSUDA KAZUYOSHI;MURATA YOSHIHIKO;YAMADA AKIO |
