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摘要
申请公布号
US2155014(A)
申请公布日期
1939.04.18
申请号
US19370178807
申请日期
1937.12.08
申请人
HOWE GEORGE J
发明人
HOWE GEORGE J.
分类号
A45C11/32
主分类号
A45C11/32
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代理人
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