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经营范围
发明名称
Fragrance releasing crayons
摘要
申请公布号
US5039243(A)
申请公布日期
1991.08.13
申请号
US19870070544
申请日期
1987.07.07
申请人
MINNESOTA MINING AND MANUFACTURING COMPANY
发明人
O'BRIEN, DENNIS P.
分类号
B43K19/00;C09D13/00
主分类号
B43K19/00
代理机构
代理人
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地址
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