申请人 |
MATSUKUSUTON KK;SHIMIZU CONSTR CO LTD;OSAKA SODA CO LTD |
发明人 |
MATSUDA MASAO;MATSUDA TAKATSUGU;ARAKAWA HARUNORI;NAKAGAWA TORU;MATSUMURA KATSUMI;YANO AKIO;NABA TOKUZO;MIURA HIROSHI;OKADA SATORU;KUMAGAI TOSHIO;NISHIWAKI AKIJI;SAKAI TAKAAKI;TANAKA WATARU |