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发明名称
Automatic turning device for sprinkling systems
摘要
申请公布号
US1755455(A)
申请公布日期
1930.04.22
申请号
US19240756394
申请日期
1924.12.17
申请人
WHITE SHOWERS, INC.
发明人
NELSON BERT J.
分类号
B05B3/04
主分类号
B05B3/04
代理机构
代理人
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地址
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