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发明名称
Slide rule
摘要
申请公布号
US2473876(A)
申请公布日期
1949.06.21
申请号
US19460663866
申请日期
1946.04.22
申请人
HERBERT GOLDSTAUB HEINZ
发明人
GOLDSTAUB HEINZ HERBERT
分类号
G06G1/04
主分类号
G06G1/04
代理机构
代理人
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地址
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