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发明名称
Carbon paper pack
摘要
申请公布号
US2553476(A)
申请公布日期
1951.05.15
申请号
US19480033453
申请日期
1948.06.17
申请人
SALISBURY BRUCE R
发明人
SALISBURY BRUCE R.
分类号
B41L1/16
主分类号
B41L1/16
代理机构
代理人
主权项
地址
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