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经营范围
发明名称
Sandwich spreader
摘要
申请公布号
US2539225(A)
申请公布日期
1951.01.23
申请号
US19490116307
申请日期
1949.09.17
申请人
BETTENCOURT ALFRED S
发明人
BETTENCOURT ALFRED S.
分类号
A47G21/00
主分类号
A47G21/00
代理机构
代理人
主权项
地址
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