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发明名称
MODULATING BALL VALVE
摘要
申请公布号
US3520513(A)
申请公布日期
1970.07.14
申请号
USD3520513
申请日期
1967.09.29
申请人
INTERN. TELEPHONE & TELEGRAPH CORP.
发明人
CHARLES L. OKERBLOM
分类号
F16K5/06;(IPC1-7):F16K5/10;F16K1/16
主分类号
F16K5/06
代理机构
代理人
主权项
地址
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