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发明名称
Magnetic fluid valve
摘要
申请公布号
US2692582(A)
申请公布日期
1954.10.26
申请号
US19490103082
申请日期
1949.07.05
申请人
NORTH AMERICAN AVIATION, INC.
发明人
CURCI RAYMOND L.;SMITH ROBERT E.
分类号
F15B13/044;F15B21/06
主分类号
F15B13/044
代理机构
代理人
主权项
地址
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