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发明名称
Control valve
摘要
申请公布号
US2646820(A)
申请公布日期
1953.07.28
申请号
US19460714735
申请日期
1946.12.07
申请人
WILLIAM CARLS;SOPHIA LOUISE BRUSSEL AND DETROIT TRUST COMPANY
发明人
MCLEOD ROY D.
分类号
F15B13/043
主分类号
F15B13/043
代理机构
代理人
主权项
地址
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