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发明名称
KIT, METHOD FOR DEMONSTRATING CARPET CLEANING PRINCIPLES.
摘要
申请公布号
EP0313587(A4)
申请公布日期
1989.03.07
申请号
EP19870908040
申请日期
1987.11.13
申请人
RACINE INDUSTRIES, INC.
发明人
LA FONTSEE, LAWRENCE, J.;MIDDLETON, ERNEST;GREELEY, GEOFFREY, R.
分类号
G09B25/02;A47L11/34;D06G1/00;G09B19/00;G09B25/00
主分类号
G09B25/02
代理机构
代理人
主权项
地址
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