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发明名称
Diaphragm
摘要
申请公布号
US3042029(A)
申请公布日期
1962.07.03
申请号
US19580739382
申请日期
1958.06.02
申请人
SANDVIK STEEL, INC.
发明人
JOHANSSON OSCAR E.
分类号
A61F6/08
主分类号
A61F6/08
代理机构
代理人
主权项
地址
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