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发明名称
Measuring apparatus
摘要
申请公布号
US1963128(A)
申请公布日期
1934.06.19
申请号
US19320590102
申请日期
1932.02.01
申请人
PERCIVAL E. FOERDERER
发明人
GEISTER CARL H.
分类号
G01N21/89;G03B42/02
主分类号
G01N21/89
代理机构
代理人
主权项
地址
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