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发明名称
Balanced rotary valve assembly
摘要
申请公布号
US2634087(A)
申请公布日期
1953.04.07
申请号
US19470727167
申请日期
1947.02.07
申请人
SALVATORE VELOTTA;I. S. WARNER
发明人
HESS JACK
分类号
F16K39/06
主分类号
F16K39/06
代理机构
代理人
主权项
地址
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