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发明名称
Dispositif de modification de la caractéristique d'un ressort pneumatique
摘要
申请公布号
FR1386907(A)
申请公布日期
1965.01.22
申请号
FR19640969140
申请日期
1964.03.28
申请人
发明人
DOETSCH HANS PETER
分类号
F16F9/49
主分类号
F16F9/49
代理机构
代理人
主权项
地址
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