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发明名称
Flapper valves
摘要
申请公布号
US3209782(A)
申请公布日期
1965.10.05
申请号
US19550511088
申请日期
1955.05.25
申请人
BELL ACROSPACE CORPORATION
发明人
WOLPIN MARTIN P.;JR. BERT SMITH,;KISTLER WALTER P.
分类号
F15B13/043
主分类号
F15B13/043
代理机构
代理人
主权项
地址
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