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发明名称
Silent closing pilot-operated valve
摘要
申请公布号
US2615467(A)
申请公布日期
1952.10.28
申请号
US19480010969
申请日期
1948.02.26
申请人
DELANY REALTY CORPORATION
发明人
BAISEL EDWIN C.
分类号
E03D3/06;E03D9/14
主分类号
E03D3/06
代理机构
代理人
主权项
地址
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