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发明名称
One-piece collapsible sheet metal bolt anchor
摘要
申请公布号
US2762252(A)
申请公布日期
1956.09.11
申请号
US19550504245
申请日期
1955.04.27
申请人
DIAMOND EXPANSION BOLT COMPANY, INC.
发明人
KARITZKY JOHN
分类号
F16B13/06;F16B29/00;F16B37/04
主分类号
F16B13/06
代理机构
代理人
主权项
地址
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