| 申请人 |
SAGAMI CHEM RES;CENTRAL GLASS CO LTD;HODOGAYA CHEMICAL CO LTD;NIPPON SODA CO;NISSAN CHEMICAL IND LTD;TOSOH CORP |
发明人 |
MIYAKE TOSHIO;HIBINO YASUO;KOBAYASHI YOICHI;WATABE KEN;OMORI MUNEKI;MIKI TETSUZO;YOKOYAMA MIDORI;MATSUMOTO REIKO;WATANABE KAZUO;NUMAO NAGANORI |
