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经营范围
发明名称
Fire prevention system
摘要
申请公布号
US2961049(A)
申请公布日期
1960.11.22
申请号
US19570695797
申请日期
1957.11.12
申请人
THE COMMONWEALTH ENGINEERING COMPANY OF OHIO
发明人
JR. HARRY A. TOULMIN,
分类号
A62C3/02
主分类号
A62C3/02
代理机构
代理人
主权项
地址
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