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经营范围
发明名称
WATER SOLUBLE CRAYON COMPOSITIONS
摘要
申请公布号
US5084493(A)
申请公布日期
1992.01.28
申请号
US19890452474
申请日期
1989.12.19
申请人
UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY CORPORATION
发明人
OLSON, JAMES D.;HALE, JR., JERRY R.;WEINHEIMER, ROBERT M.
分类号
C08G59/40;C08G81/00;C09D13/00
主分类号
C08G59/40
代理机构
代理人
主权项
地址
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