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经营范围
发明名称
Fluid valve mechanism for controlling operations of a signalling device
摘要
申请公布号
GB831700(A)
申请公布日期
1960.03.30
申请号
GB19570038858
申请日期
1957.12.13
申请人
FALCON ALARM COMPANY, INC.
发明人
分类号
F16K31/56
主分类号
F16K31/56
代理机构
代理人
主权项
地址
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