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经营范围
发明名称
Sprinkling system
摘要
申请公布号
US2771320(A)
申请公布日期
1956.11.20
申请号
US19520318575
申请日期
1952.11.04
申请人
KORWIN JOHN J
发明人
KORWIN JOHN J.
分类号
B05B1/20
主分类号
B05B1/20
代理机构
代理人
主权项
地址
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