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经营范围
发明名称
A fire-protection sprinkler head
摘要
申请公布号
GB2049415(A)
申请公布日期
1980.12.31
申请号
GB19800012053
申请日期
1980.04.11
申请人
GRINNELL FIRE PROTECTION SYSTEMS CO INC
发明人
分类号
A62C37/12;(IPC1-7):A62C37/12;A62C37/30
主分类号
A62C37/12
代理机构
代理人
主权项
地址
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