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发明名称
Coated web with water vapor barrier resistance
摘要
申请公布号
US2984585(A)
申请公布日期
1961.05.16
申请号
US19570670288
申请日期
1957.07.05
申请人
H. P. SMITH PAPER CO.
发明人
SHERMAN CLAYTON CARR
分类号
D21H19/18;D21H19/22;D21H19/82
主分类号
D21H19/18
代理机构
代理人
主权项
地址
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