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发明名称
Retaining ring
摘要
申请公布号
US2577319(A)
申请公布日期
1951.12.04
申请号
US19480053844
申请日期
1948.10.11
申请人
WALDES KOHINOOR, INC.
发明人
FEITL RUDOLF
分类号
F16B21/20
主分类号
F16B21/20
代理机构
代理人
主权项
地址
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