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发明名称
Unverbrennbarer Kunstpapierbogen sowie Verfahren zur Herstellung desselben
摘要
申请公布号
DE2040055(A1)
申请公布日期
1971.05.06
申请号
DE19702040055
申请日期
1970.08.12
申请人
W.R.GRACE & CO.
发明人
WEBSTER LARD,EDWIN
分类号
(IPC1-7):C03C25/02
主分类号
(IPC1-7):C03C25/02
代理机构
代理人
主权项
地址
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