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发明名称
Bélier maritime à chambre barométrique
摘要
申请公布号
FR37006(E)
申请公布日期
1930.09.22
申请号
FRD37006
申请日期
1929.06.04
申请人
发明人
GRASSET PAUL
分类号
F03B13/12;F04F7/00
主分类号
F03B13/12
代理机构
代理人
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