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发明名称
Sprinkler head
摘要
申请公布号
US2389331(A)
申请公布日期
1945.11.20
申请号
US19440544512
申请日期
1944.07.12
申请人
EMIL TYDEN
发明人
TYDEN EMIL
分类号
A62C37/09;A62C37/10
主分类号
A62C37/09
代理机构
代理人
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