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发明名称
ROLL STAND
摘要
申请公布号
CA448761(A)
申请公布日期
1948.05.25
申请号
CAD448761
申请日期
申请人
H. P. SMITH PAPER COMPANY
发明人
ELMER W. COFFEY
分类号
主分类号
代理机构
代理人
主权项
地址
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