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发明名称
摘要
申请公布号
JP2862300(B2)
申请公布日期
1999.03.03
申请号
JP19890338498
申请日期
1989.12.28
申请人
MITSUI KAGAKU KK;NIPPON TAIIKU SHISETSU KK;OKU ANTSUUKA KK;TOYO SUHOOTSU SHISETSU KK
发明人
OZAKI MASAYOSHI;SHIBAHARA TOSHIHARU;OKU HIROYUKI;KUWATA ATSUHITO;KATO TSUNEO
分类号
E01C7/30;E01C13/00;E01C13/06;(IPC1-7):E01C7/30
主分类号
E01C7/30
代理机构
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