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发明名称
WALLBOARD CLIP
摘要
申请公布号
CA571352(A)
申请公布日期
1959.02.24
申请号
CAD571352
申请日期
申请人
WOOD CONVERSION COMPANY
发明人
DAVID B. ANDERSON
分类号
主分类号
代理机构
代理人
主权项
地址
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