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发明名称
SILICEOUS COMPOSITIONS
摘要
申请公布号
US3492137(A)
申请公布日期
1970.01.27
申请号
USD3492137
申请日期
1968.09.20
申请人
E.I. DU PONT DE NEMOURS & CO.
发明人
RALPH K. ILER
分类号
C01B33/32;C04B12/04;(IPC1-7):C01B33/32;C09J1/02
主分类号
C01B33/32
代理机构
代理人
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地址
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