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经营范围
发明名称
Protective envelope
摘要
申请公布号
US2508274(A)
申请公布日期
1950.05.16
申请号
US19480000679
申请日期
1948.01.06
申请人
KRUEGER FLORENCE R
发明人
KRUEGER FLORENCE R.
分类号
A41D27/26
主分类号
A41D27/26
代理机构
代理人
主权项
地址
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