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经营范围
发明名称
Apparatus for scoring paper, cardboard, or like material
摘要
申请公布号
US1935522(A)
申请公布日期
1933.11.14
申请号
US19320638242
申请日期
1932.10.17
申请人
ALFRED PRIOR
发明人
PRIOR ALFRED
分类号
B26D3/08
主分类号
B26D3/08
代理机构
代理人
主权项
地址
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