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发明名称
Article of manufacture
摘要
申请公布号
US1942354(A)
申请公布日期
1934.01.02
申请号
US19300501611
申请日期
1930.12.11
申请人
THE DOW CHEMICAL COMPANY
发明人
COLLINGS WILLIAM R.;GIBB DONALD L.
分类号
D21H27/34
主分类号
D21H27/34
代理机构
代理人
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