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发明名称
Diaphragm annulus with a spring therein
摘要
申请公布号
US2774380(A)
申请公布日期
1956.12.18
申请号
US19520284722
申请日期
1952.04.28
申请人
TOKHEIM CORPORATION
发明人
HUDSON WILLIAM L.;LEE HAROLD
分类号
F04B43/00;F04B43/02;F16K7/16
主分类号
F04B43/00
代理机构
代理人
主权项
地址
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