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发明名称
Indicator mechanism
摘要
申请公布号
US2529832(A)
申请公布日期
1950.11.14
申请号
US19460693311
申请日期
1946.08.27
申请人
NORTHERN ENGRAVING & MANUFACTURING CO.
发明人
BRIETZKE ADRIAN PAUL
分类号
G01D13/22;G01D13/24;G12B11/00
主分类号
G01D13/22
代理机构
代理人
主权项
地址
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