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发明名称
Constant discharge sprinkler head
摘要
申请公布号
US1997404(A)
申请公布日期
1935.04.09
申请号
US19310536976
申请日期
1931.05.13
申请人
AUTOMATIC SPRINKLER COMPANY
发明人
HAMILTON JOHN R.
分类号
A62C37/12
主分类号
A62C37/12
代理机构
代理人
主权项
地址
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