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发明名称
Improvements in sprinkler heads
摘要
申请公布号
GB530400(A)
申请公布日期
1940.12.11
申请号
GB19390018232
申请日期
1939.06.22
申请人
WILLIAM BANFORD GRIFFITH
发明人
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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