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经营范围
发明名称
PUMP DIAPHRAGM
摘要
A diaphragm for use in a fluid pump comprising a disc of resilient material having a substantially dished shape. The curvature of the disc is formed from a plurality of steps.
申请公布号
US2009053081(A1)
申请公布日期
2009.02.26
申请号
US20080190274
申请日期
2008.08.12
申请人
GRIFFITHS JOSEPH ANTHONY
发明人
GRIFFITHS JOSEPH ANTHONY
分类号
F04B17/00
主分类号
F04B17/00
代理机构
代理人
主权项
地址
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