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发明名称
Dispositifs contre l'écrasement par roues, pour véhicules sur rails
摘要
申请公布号
FR677534(A)
申请公布日期
1930.03.11
申请号
FRD677534
申请日期
1929.06.28
申请人
发明人
BOUCHAREL
分类号
B61F19/02
主分类号
B61F19/02
代理机构
代理人
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地址
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