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发明名称
EXPANDABLE FRAME FOR PAINTING CANVAS
摘要
申请公布号
US3529653(A)
申请公布日期
1970.09.22
申请号
USD3529653
申请日期
1968.10.14
申请人
EDWARD C. FEY JR.
发明人
EDWARD C. FEY JR.
分类号
B44D3/18;(IPC1-7):B44D3/18
主分类号
B44D3/18
代理机构
代理人
主权项
地址
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