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发明名称
Dispositif pour la construction des routes, servant à goudronner la pierraille destinée à la construction des routes et à des fins analogues
摘要
申请公布号
FR695917(A)
申请公布日期
1930.12.23
申请号
FRD695917
申请日期
1930.05.21
申请人
PFIRSCHING & HUTHER
发明人
分类号
E01C19/10
主分类号
E01C19/10
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代理人
主权项
地址
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