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发明名称
Improvements in logarithmic calculating apparatus for use in measuring logs of timber
摘要
申请公布号
GB449505(A)
申请公布日期
1936.06.29
申请号
GB19350033117
申请日期
1935.11.29
申请人
JOSEPH CHARLES CLARKE
发明人
分类号
G06G1/00
主分类号
G06G1/00
代理机构
代理人
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