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发明名称
Appareil élévateur pour goudron et autres substances visqueuses
摘要
申请公布号
FR812098(A)
申请公布日期
1937.04.29
申请号
FRD812098
申请日期
1936.07.08
申请人
ETABLISSEMENTS DRAGOR & ALMA
发明人
分类号
F04B19/16
主分类号
F04B19/16
代理机构
代理人
主权项
地址
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