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经营范围
发明名称
Automatic sprinkler
摘要
申请公布号
US2580810(A)
申请公布日期
1952.01.01
申请号
US19490100176
申请日期
1949.06.20
申请人
MATHIS HOWARD D
发明人
MATHIS HOWARD D.
分类号
A62C35/60
主分类号
A62C35/60
代理机构
代理人
主权项
地址
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