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发明名称
Procédé de sollicitation et d'utilisation des ressorts spiraux
摘要
申请公布号
FR723618(A)
申请公布日期
1932.04.11
申请号
FRD723618
申请日期
1931.09.11
申请人
发明人
BROEK JAN A. VAN DEN
分类号
F16F1/04;F16F1/10;G04B1/12;G04B1/18
主分类号
F16F1/04
代理机构
代理人
主权项
地址
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