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经营范围
发明名称
Fluid flow regulator
摘要
申请公布号
US2644482(A)
申请公布日期
1953.07.07
申请号
US19440563253
申请日期
1944.11.13
申请人
JOY MANUFACTURING COMPANY
发明人
MCCALLUM ROBERT ANTHONY
分类号
G05D7/01
主分类号
G05D7/01
代理机构
代理人
主权项
地址
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