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经营范围
发明名称
Combined folding rule and square
摘要
申请公布号
US3109241(A)
申请公布日期
1963.11.05
申请号
US19610140899
申请日期
1961.09.26
申请人
ERNEST FULLER
发明人
FULLER ERNEST
分类号
B43L7/00;B43L7/027
主分类号
B43L7/00
代理机构
代理人
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地址
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