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发明名称
PROTECTIVE ADAPTER FOR DIAPHRAGM-TYPE VALVE
摘要
申请公布号
US3610570(A)
申请公布日期
1971.10.05
申请号
USD3610570
申请日期
1969.03.10
申请人
CURTIS L. ERWIN JR.
发明人
CURTIS L. ERWIN JR.
分类号
F16K7/14;(IPC1-7):F16K31/14
主分类号
F16K7/14
代理机构
代理人
主权项
地址
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