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发明名称
Water-feed control
摘要
申请公布号
US1769836(A)
申请公布日期
1930.07.01
申请号
US19290359449
申请日期
1929.05.01
申请人
KNY-SCHEERER CORPORATION
发明人
HOLMES WALTER G.
分类号
E03C1/10
主分类号
E03C1/10
代理机构
代理人
主权项
地址
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