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经营范围
发明名称
Papermaking apparatus
摘要
申请公布号
US2421272(A)
申请公布日期
1947.05.27
申请号
US19440564100
申请日期
1944.11.18
申请人
GERALD T. SHIPMAN
发明人
KNEAREM HARRY T.
分类号
D21G1/00
主分类号
D21G1/00
代理机构
代理人
主权项
地址
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