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发明名称
Motor-driven blowoff valve
摘要
申请公布号
US2615469(A)
申请公布日期
1952.10.28
申请号
US19460667451
申请日期
1946.05.04
申请人
KOPPERS COMPANY, INC.
发明人
SCHOFIELD WILFRED C.
分类号
F16K1/48
主分类号
F16K1/48
代理机构
代理人
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地址
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