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发明名称
Handle
摘要
申请公布号
US2424125(A)
申请公布日期
1947.07.15
申请号
US19450603711
申请日期
1945.07.07
申请人
SIELING EDWARD H
发明人
SIELING EDWARD H.
分类号
A47G19/12
主分类号
A47G19/12
代理机构
代理人
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