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发明名称
Instrument units for process alarm systems
摘要
申请公布号
US2709249(A)
申请公布日期
1955.05.24
申请号
US19520312821
申请日期
1952.10.02
申请人
PANELLIT, INC.
发明人
SPERRY ALBERT F.
分类号
G08B25/14
主分类号
G08B25/14
代理机构
代理人
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