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经营范围
发明名称
Sequencing valve
摘要
申请公布号
USRE29252(E)
申请公布日期
1977.06.07
申请号
US19760649452
申请日期
1976.01.15
申请人
发明人
分类号
A01G25/16;F16K31/40;F16K31/528
主分类号
A01G25/16
代理机构
代理人
主权项
地址
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