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发明名称
Improved resilient devices for fixing permanent-way rails to their supports
摘要
申请公布号
GB808468(A)
申请公布日期
1959.02.04
申请号
GB19570022921
申请日期
1957.07.19
申请人
ROGER SONNEVILLE;HENRI GIROUD-EYMERY
发明人
分类号
E01B9/30;E01B9/68
主分类号
E01B9/30
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