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发明名称
Procédé pour la fabrication d'anneaux en métal trempé ou trempable
摘要
申请公布号
FR888502(A)
申请公布日期
1943.12.15
申请号
FRD888502
申请日期
1942.11.23
申请人
FIDES GESELLSCHAFT FU:R DIE VERWALTUNG UND VERWERTUNG VON GEWERBLICHEN SCHUTZRECHTENMIT BESCHRANKTER HAFTUNG
发明人
分类号
B22D19/00
主分类号
B22D19/00
代理机构
代理人
主权项
地址
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