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经营范围
发明名称
Protector tray
摘要
申请公布号
US2140232(A)
申请公布日期
1938.12.13
申请号
US19380187766
申请日期
1938.01.29
申请人
KNIGHT SR JOHN B
发明人
SR. JOHN B. KNIGHT,
分类号
A45D1/20
主分类号
A45D1/20
代理机构
代理人
主权项
地址
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