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经营范围
发明名称
Trap spoon
摘要
申请公布号
US2819480(A)
申请公布日期
1958.01.14
申请号
US19540456592
申请日期
1954.09.16
申请人
KOLLMANN KARL J
发明人
KOLLMANN KARL J.
分类号
E03C1/302
主分类号
E03C1/302
代理机构
代理人
主权项
地址
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