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发明名称
Measuring instrument
摘要
申请公布号
US2770046(A)
申请公布日期
1956.11.13
申请号
US19550492084
申请日期
1955.03.04
申请人
WILHELM WICHMANN
发明人
WICHMANN WILHELM
分类号
G01B3/20
主分类号
G01B3/20
代理机构
代理人
主权项
地址
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