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经营范围
发明名称
Expansion bolt
摘要
申请公布号
US1772064(A)
申请公布日期
1930.08.05
申请号
US19280285734
申请日期
1928.06.15
申请人
ZIFFERER LOTHAR R
发明人
ZIFFERER LOTHAR R.
分类号
F16B13/06
主分类号
F16B13/06
代理机构
代理人
主权项
地址
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