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发明名称
Diaphragm assembly and method of making same
摘要
申请公布号
US2642090(A)
申请公布日期
1953.06.16
申请号
US19460710346
申请日期
1946.11.16
申请人
NILES-BEMENT-POND COMPANY
发明人
BARR JOHN M.
分类号
F02M37/12;F02M59/14;H01M2/18
主分类号
F02M37/12
代理机构
代理人
主权项
地址
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