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发明名称
Composition of matter and process of making the same
摘要
申请公布号
US1880036(A)
申请公布日期
1932.09.27
申请号
US19280325651
申请日期
1928.12.12
申请人
BROWN COMPANY
发明人
LOVERING EVERETT W.
分类号
D21J1/00
主分类号
D21J1/00
代理机构
代理人
主权项
地址
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