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经营范围
发明名称
Bolt anchor
摘要
申请公布号
US2240716(A)
申请公布日期
1941.05.06
申请号
US19390293946
申请日期
1939.09.08
申请人
DIAMOND EXPANSION BOLT COMPANY, INC.
发明人
PLEISTER HENRY W.;KARITZKY JOHN
分类号
F16B13/12
主分类号
F16B13/12
代理机构
代理人
主权项
地址
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