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发明名称
Comparison measuring apparatus for borings
摘要
申请公布号
US2838840(A)
申请公布日期
1958.06.17
申请号
US19550502812
申请日期
1955.04.21
申请人
ERNST LEITZ, G. M. B. H.
发明人
RINKER WILHELM;JUNG WALTER
分类号
G01B5/12
主分类号
G01B5/12
代理机构
代理人
主权项
地址
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