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发明名称
SHEET TRIMMING DEVICE
摘要
申请公布号
CA416444(A)
申请公布日期
1943.11.16
申请号
CAD416444
申请日期
申请人
DITTO
发明人
ROBERT ALONZO WILLIAMS
分类号
主分类号
代理机构
代理人
主权项
地址
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