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发明名称
Straight edge
摘要
申请公布号
US3178826(A)
申请公布日期
1965.04.20
申请号
US19620182050
申请日期
1962.03.23
申请人
ARNOLD AISON
发明人
AISON ARNOLD
分类号
B43L7/00
主分类号
B43L7/00
代理机构
代理人
主权项
地址
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