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发明名称
Electric control valve
摘要
申请公布号
US3329392(A)
申请公布日期
1967.07.04
申请号
US19640362366
申请日期
1964.04.24
申请人
GRAHAM-WHITE SALES CORPORATION
发明人
FRANTZ VIRGIL L.
分类号
B61C15/10;F16K31/42
主分类号
B61C15/10
代理机构
代理人
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地址
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