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经营范围
发明名称
Rolling cylindrical diaphragm means
摘要
申请公布号
US3321112(A)
申请公布日期
1967.05.23
申请号
US19650497134
申请日期
1965.10.18
申请人
ARA, INC.
发明人
CUNNINGHAM PATRICK J.;PLATUS DANIEL H.;MAROVICH FRANK A.;EPSTEIN GEORGE
分类号
F16J3/06
主分类号
F16J3/06
代理机构
代理人
主权项
地址
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