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经营范围
发明名称
EXPANSION ANCHOR
摘要
申请公布号
US3613497(A)
申请公布日期
1971.10.19
申请号
USD3613497
申请日期
1969.04.10
申请人
U.S. EXPANSION BOLT CO.
发明人
JAMES F. HELDERMANN
分类号
F16B13/12;(IPC1-7):F16B13/06
主分类号
F16B13/12
代理机构
代理人
主权项
地址
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