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经营范围
发明名称
Screw anchor
摘要
申请公布号
US2346283(A)
申请公布日期
1944.04.11
申请号
US19410420412
申请日期
1941.11.25
申请人
BEN WEISS
发明人
WEISS BEN
分类号
F16B37/12
主分类号
F16B37/12
代理机构
代理人
主权项
地址
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