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发明名称
Chalk line reel and stake
摘要
申请公布号
US2555457(A)
申请公布日期
1951.06.05
申请号
US19460717506
申请日期
1946.12.20
申请人
ROSE JOHN J
发明人
ROSE JOHN J.
分类号
B44D3/38
主分类号
B44D3/38
代理机构
代理人
主权项
地址
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