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发明名称
Improvements in or relating to tree callipers
摘要
申请公布号
GB440720(A)
申请公布日期
1936.01.02
申请号
GB19340016487
申请日期
1934.06.02
申请人
ROBERT JAMES HINSON;CHARLOTTE RUTH LANE POOLE
发明人
分类号
G01B5/00
主分类号
G01B5/00
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