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发明名称
Improvements in expanding screw anchors
摘要
申请公布号
GB972287(A)
申请公布日期
1964.10.14
申请号
GB19600036519
申请日期
1960.10.25
申请人
MOLLY CORPORATION
发明人
CROESSANT GEORGE FREDERICK
分类号
F16B13/06;F16B29/00
主分类号
F16B13/06
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代理人
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