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经营范围
发明名称
FAIL-SAFE VALVE OPERATOR
摘要
申请公布号
US3512421(A)
申请公布日期
1970.05.19
申请号
USD3512421
申请日期
1966.09.02
申请人
A.C.F. IND. INC.
发明人
CLIFFORD E. ANDERSON
分类号
F16K31/05;(IPC1-7):F16K31/05;F16K31/10
主分类号
F16K31/05
代理机构
代理人
主权项
地址
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