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发明名称
PAPER WIDENING MACHINE
摘要
申请公布号
CA399342(A)
申请公布日期
1941.09.16
申请号
CAD399342
申请日期
申请人
ELK PAPER MANUFACTURING CO.
发明人
HAROLD GRISWOLD BURRILL
分类号
主分类号
代理机构
代理人
主权项
地址
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