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摘要
申请公布号
US2298304(A)
申请公布日期
1942.10.13
申请号
US19400364684
申请日期
1940.11.07
申请人
MITCHELL LEONIDAS J
发明人
MITCHELL LEONIDAS J.
分类号
A45C11/32
主分类号
A45C11/32
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