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发明名称
Perfectionnements apportés aux assemblages des rails par éclisses normales et pourlesquels les extrémités des rails sont reliés par une pièce embrassant en partie les patins des rails
摘要
申请公布号
FR816712(A)
申请公布日期
1937.08.16
申请号
FRD816712
申请日期
1937.01.22
申请人
发明人
MESTERS JAN, ADOLF, HUBERT
分类号
E01B11/12
主分类号
E01B11/12
代理机构
代理人
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