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发明名称
Improvements in sprinkler heads for fire extinguishing apparatus
摘要
申请公布号
GB329228(A)
申请公布日期
1930.05.15
申请号
GB19290022115
申请日期
1929.07.18
申请人
HOWARD WATERS DOUGHTY
发明人
分类号
A62C37/10
主分类号
A62C37/10
代理机构
代理人
主权项
地址
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