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发明名称
Barrette
摘要
申请公布号
US1813423(A)
申请公布日期
1931.07.07
申请号
US19300423047
申请日期
1930.01.24
申请人
DU PONT VISCOLOID COMPANY
发明人
RICHARD JOHN B.
分类号
A45D8/28
主分类号
A45D8/28
代理机构
代理人
主权项
地址
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