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经营范围
发明名称
SPRINKLER ALARM VALVE
摘要
申请公布号
US3587746(A)
申请公布日期
1971.06.28
申请号
USD3587746
申请日期
1968.12.18
申请人
MATTHEW HALL MECHANICAL SERVICES LTD.
发明人
DOUGLAS MICHAEL VENISON;GEORGE ALLEN
分类号
A62C35/60;(IPC1-7):A62C37/06
主分类号
A62C35/60
代理机构
代理人
主权项
地址
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