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摘要
申请公布号
US2418010(A)
申请公布日期
1947.03.25
申请号
US19460678565
申请日期
1946.06.22
申请人
BRUELHEIDE LOUIS B
发明人
BRUELHEIDE LOUIS B.
分类号
A47G29/12
主分类号
A47G29/12
代理机构
代理人
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