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发明名称
Bordures et caniveaux principalement pour l'exploitation des chemins de fer
摘要
申请公布号
FR1163180(A)
申请公布日期
1958.09.23
申请号
FRD1163180
申请日期
1956.12.04
申请人
发明人
CHAZEL ANDRE
分类号
B61L7/02;E01C11/22
主分类号
B61L7/02
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代理人
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