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经营范围
发明名称
Expansive fiber separator
摘要
申请公布号
US2539990(A)
申请公布日期
1951.01.30
申请号
US19460709876
申请日期
1946.11.14
申请人
CHAPMAN ROBERT S;SIEBENHAAR BYRON B
发明人
CHAPMAN ROBERT S.;SIEBENHAAR BYRON B.
分类号
D21B1/36
主分类号
D21B1/36
代理机构
代理人
主权项
地址
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