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发明名称
Article support
摘要
申请公布号
US2244773(A)
申请公布日期
1941.06.10
申请号
US19390309501
申请日期
1939.12.15
申请人
EVERETT HAWK ERNEST
发明人
HAWK ERNEST EVERETT
分类号
A47B23/00
主分类号
A47B23/00
代理机构
代理人
主权项
地址
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