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发明名称
Perfectionnements apportés aux pompes à vide, notamment aux pompes à éjection età diffusion
摘要
申请公布号
FR1502619(A)
申请公布日期
1967.11.24
申请号
FR19650015717
申请日期
1965.05.04
申请人
发明人
PEGON PIERRE
分类号
F04F9/00
主分类号
F04F9/00
代理机构
代理人
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