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发明名称
Adjustable straightedge
摘要
申请公布号
US2701918(A)
申请公布日期
1955.02.15
申请号
US19510238703
申请日期
1951.07.26
申请人
GLENN PHELPS
发明人
PHELPS GLENN
分类号
B43L13/04
主分类号
B43L13/04
代理机构
代理人
主权项
地址
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