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发明名称
Insert for field caps
摘要
申请公布号
US2697835(A)
申请公布日期
1954.12.28
申请号
US19520294375
申请日期
1952.06.19
申请人
STONE ELIZABETH R
发明人
STONE ELIZABETH R.
分类号
A42B1/06
主分类号
A42B1/06
代理机构
代理人
主权项
地址
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