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发明名称
Indicator instrument
摘要
申请公布号
US1935070(A)
申请公布日期
1933.11.14
申请号
US19290385735
申请日期
1929.08.14
申请人
HARTMANN & BRAUN AKTIENGESELLSCHAFT
发明人
WALTHER PAUL
分类号
G01D7/06
主分类号
G01D7/06
代理机构
代理人
主权项
地址
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