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发明名称
Sectional table
摘要
申请公布号
US2722287(A)
申请公布日期
1955.11.01
申请号
US19520293733
申请日期
1952.06.16
申请人
BEINHORN VERNON E
发明人
BEINHORN VERNON E.
分类号
A47B7/02;A47B31/00
主分类号
A47B7/02
代理机构
代理人
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地址
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