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发明名称
Spring support
摘要
申请公布号
US2480864(A)
申请公布日期
1949.09.06
申请号
US19470744852
申请日期
1947.04.30
申请人
GRINNELL CORPORATION
发明人
LOEPSINGER ALBERT J.
分类号
F16L3/205
主分类号
F16L3/205
代理机构
代理人
主权项
地址
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