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经营范围
发明名称
Ice-free valve
摘要
申请公布号
US3255773(A)
申请公布日期
1966.06.14
申请号
US19630319272
申请日期
1963.10.28
申请人
WHITTAKER CORPORATION
发明人
MCQUEEN MALCOLM M.
分类号
F16K31/34
主分类号
F16K31/34
代理机构
代理人
主权项
地址
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