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发明名称
Composition and process for producing and using it
摘要
申请公布号
US1825834(A)
申请公布日期
1931.10.06
申请号
US19240686895
申请日期
1924.01.17
申请人
EDWARD THOMAS
发明人
THOMAS EDWARD
分类号
D21H17/61;D21H17/66
主分类号
D21H17/61
代理机构
代理人
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地址
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