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发明名称
Collapsible device
摘要
申请公布号
US2409452(A)
申请公布日期
1946.10.15
申请号
US19450581284
申请日期
1945.03.06
申请人
STONE EDMUND J
发明人
STONE EDMUND J.
分类号
A45B9/00
主分类号
A45B9/00
代理机构
代理人
主权项
地址
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