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发明名称
Feuilles réglées pour la représentation des perspectives cavalières
摘要
申请公布号
FR971147(A)
申请公布日期
1951.01.12
申请号
FRD971147
申请日期
1948.09.08
申请人
发明人
MALATINSZKY LADISLAS-PAUL DE;MARTON FRANCOIS
分类号
B42D15/00
主分类号
B42D15/00
代理机构
代理人
主权项
地址
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