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发明名称
Thermal responsive high pressure butterfly valve seal means
摘要
申请公布号
US3260496(A)
申请公布日期
1966.07.12
申请号
US19630309074
申请日期
1963.09.16
申请人
B. H. HADLEY, INC.
发明人
BORCHERDT WALTER O.
分类号
F16K1/226;F16K31/163
主分类号
F16K1/226
代理机构
代理人
主权项
地址
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