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发明名称
Frein destiné à empêcher le desserrage des tire-fonds de chemins de fer
摘要
申请公布号
FR968010(A)
申请公布日期
1950.11.17
申请号
FRD968010
申请日期
1948.06.16
申请人
发明人
STREIT MICHEL-JACQUES-MAX
分类号
E01B9/12;F16B39/10;F16B39/20
主分类号
E01B9/12
代理机构
代理人
主权项
地址
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