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发明名称
Schreibtafel
摘要
申请公布号
DE1809161(A1)
申请公布日期
1969.07.17
申请号
DE19681809161
申请日期
1968.11.15
申请人
SOCIETE A RESPONSABILITE LIMITEE FRANCAISE DITE:MODLING
发明人
HAMELIN,ROBERT
分类号
B43L1/12
主分类号
B43L1/12
代理机构
代理人
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