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发明名称
Indicating circuit-controlling apparatus
摘要
申请公布号
US1762491(A)
申请公布日期
1930.06.10
申请号
US19260092513
申请日期
1926.03.05
申请人
JAS. P. MARSH & COMPANY
发明人
THOMMES JOHN A.
分类号
G01L19/08
主分类号
G01L19/08
代理机构
代理人
主权项
地址
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