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发明名称
Dispositif pour empêcher le blocage des pompes à béton
摘要
申请公布号
FR774621(A)
申请公布日期
1934.12.10
申请号
FRD774621
申请日期
1933.09.04
申请人
发明人
RODIO GIOVANNI
分类号
F04B15/02;F04B49/24
主分类号
F04B15/02
代理机构
代理人
主权项
地址
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