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发明名称
Cake knife
摘要
申请公布号
US1948592(A)
申请公布日期
1934.02.27
申请号
US19330673871
申请日期
1933.06.01
申请人
CONRAD PISTORIUS
发明人
NELSON WILLIAM L.
分类号
A47G21/04
主分类号
A47G21/04
代理机构
代理人
主权项
地址
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