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发明名称
METAL STRIP TENSIONING DEVICE
摘要
申请公布号
CA409000(A)
申请公布日期
1942.12.01
申请号
CAD409000
申请日期
申请人
CANADIAN WESTINGHOUSE COMPANY
发明人
GERHARD P. LESSMANN
分类号
主分类号
代理机构
代理人
主权项
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