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经营范围
发明名称
PERLIET-ISOLATIE VOOR HET LOS OPVULLEN.
摘要
申请公布号
NL7900905(A)
申请公布日期
1979.08.08
申请号
NL19790000905
申请日期
1979.02.05
申请人
GREFCO, INC. TE BALA CYNWYD, PENNSYLVANIEE, VER. ST. V. AM.
发明人
分类号
C04B20/10;C04B20/12;C04B30/00;(IPC1-7):C04B43/00
主分类号
C04B20/10
代理机构
代理人
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