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发明名称
METHOD OF PRODUCING NONBURNING PAPER
摘要
申请公布号
US3654073(A)
申请公布日期
1972.04.04
申请号
USD3654073
申请日期
1968.12.19
申请人
W.R. GRACE & CO.
发明人
EDWIN W. LARD;ADDISON C. WHITE
分类号
B41M5/00;(IPC1-7):D21H5/18
主分类号
B41M5/00
代理机构
代理人
主权项
地址
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