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发明名称
Perfectionnements aux freins de voie pour chemins de fer
摘要
申请公布号
FR56146(E)
申请公布日期
1952.09.17
申请号
FRD56146
申请日期
1946.01.19
申请人
SOCIETE D'ELECTRICITE MORS
发明人
分类号
B61K7/04;B61K7/10;B61K7/12
主分类号
B61K7/04
代理机构
代理人
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地址
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