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发明名称
Perfectionnements à la fabrication d'objets creux en caoutchouc
摘要
申请公布号
FR842570(A)
申请公布日期
1939.06.14
申请号
FRD842570
申请日期
1938.08.25
申请人
发明人
JACKSON EDWIN BOYD
分类号
主分类号
代理机构
代理人
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