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经营范围
发明名称
Protective cap
摘要
申请公布号
US2698945(A)
申请公布日期
1955.01.11
申请号
US19520279060
申请日期
1952.03.28
申请人
HAMILTON CHARLES R
发明人
HAMILTON CHARLES R.
分类号
A42B1/04
主分类号
A42B1/04
代理机构
代理人
主权项
地址
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