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发明名称
Perfectionnements aux pavés garnis de caoutchouc
摘要
申请公布号
FR51117(E)
申请公布日期
1941.08.08
申请号
FRD51117D
申请日期
1940.04.24
申请人
CAOUTCHOUC RENO
发明人
分类号
E01C5/22
主分类号
E01C5/22
代理机构
代理人
主权项
地址
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