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发明名称
Dispositif permettant la vidange des tuyaux d'une pompe, notamment d'une pompe à transvasement d'essence
摘要
申请公布号
FR733495(A)
申请公布日期
1932.10.06
申请号
FRD733495
申请日期
1932.03.15
申请人
发明人
DEMONTIS MAURICE
分类号
F04B49/24
主分类号
F04B49/24
代理机构
代理人
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地址
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