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摘要
申请公布号
US2341658(A)
申请公布日期
1944.02.15
申请号
US19420433386
申请日期
1942.03.04
申请人
ETTORE SALANI
发明人
SALANI ETTORE
分类号
F21V7/00
主分类号
F21V7/00
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