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发明名称
Felt and process of making same
摘要
申请公布号
US2029310(A)
申请公布日期
1936.02.04
申请号
US19260086098
申请日期
1926.02.04
申请人
THE BARRETT COMPANY
发明人
DREWSEN PIERRE
分类号
D21J1/00
主分类号
D21J1/00
代理机构
代理人
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