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发明名称
Dispositif de changement de grossissement à parcours brisé
摘要
申请公布号
FR1107626(A)
申请公布日期
1956.01.04
申请号
FRD1107626
申请日期
1954.06.21
申请人
ANCIENS ETABLISSEMENTS BARBIER, BENARD & TURENNE
发明人
分类号
G02B21/20
主分类号
G02B21/20
代理机构
代理人
主权项
地址
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