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经营范围
发明名称
Defibering apparatus
摘要
申请公布号
US2573321(A)
申请公布日期
1951.10.30
申请号
US19460642267
申请日期
1946.01.19
申请人
CERTAIN-TEED PRODUCTS CORPORATION
发明人
ERNST ALFRED F.
分类号
D21B1/12
主分类号
D21B1/12
代理机构
代理人
主权项
地址
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