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发明名称
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摘要
申请公布号
US2420276(A)
申请公布日期
1947.05.06
申请号
US19450586093
申请日期
1945.04.02
申请人
GENERAL SPRING CORPORATION
发明人
WOOD JOSEPH KAYE
分类号
F16L3/205
主分类号
F16L3/205
代理机构
代理人
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