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发明名称
Measuring instrument
摘要
申请公布号
US1909619(A)
申请公布日期
1933.05.16
申请号
US19300430706
申请日期
1930.02.24
申请人
STANDARD OIL COMPANY OF CALIFORNIA
发明人
HERRICK HENRY N.
分类号
G01R33/038
主分类号
G01R33/038
代理机构
代理人
主权项
地址
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