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经营范围
发明名称
Procédé pour la préparation de compositions poreuses
摘要
申请公布号
FR790704(A)
申请公布日期
1935.11.26
申请号
FRD790704
申请日期
1934.08.09
申请人
DEUTSCHE GOLD-UND SILBER-SCHEIDEANSTALT VORMALS ROESSLER
发明人
分类号
C08C19/12
主分类号
C08C19/12
代理机构
代理人
主权项
地址
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