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发明名称
Method of preparing paper of uniform appearance
摘要
申请公布号
US3057769(A)
申请公布日期
1962.10.09
申请号
US19550508398
申请日期
1955.05.16
申请人
WALDORF PAPER PRODUCTS COMPANY
发明人
SANDBERG NELS H.
分类号
D21C5/02
主分类号
D21C5/02
代理机构
代理人
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