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发明名称
SYSTEM FOR TRANSPORTING SHEET MATERIAL
摘要
申请公布号
CA817211(A)
申请公布日期
1969.07.08
申请号
CAD817211
申请日期
申请人
DEAN RESEARCH CORPORATION
发明人
GEORGE A. DEAN
分类号
主分类号
代理机构
代理人
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地址
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