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摘要
申请公布号
US2970539(A)
申请公布日期
1961.02.07
申请号
US19530343670
申请日期
1953.03.20
申请人
GRIFFIN JOHN P
发明人
GRIFFIN JOHN P.
分类号
A45C11/36;B41K1/02;B41K1/38
主分类号
A45C11/36
代理机构
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