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发明名称
Improved device for expanding resilient or rubber rings
摘要
申请公布号
GB921015(A)
申请公布日期
1963.03.13
申请号
GB19590016299
申请日期
1959.05.12
申请人
THE ELASTRATOR COMPANY LIMITED
发明人
分类号
A61D1/00
主分类号
A61D1/00
代理机构
代理人
主权项
地址
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