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经营范围
发明名称
Improvements in free piston multi-stage air or gas compressors
摘要
申请公布号
GB674693(A)
申请公布日期
1952.06.25
申请号
GB19500014644
申请日期
1950.06.12
申请人
SOCIETE D'ETUDES ET DE PARTICIPATIONS EAU, GAZ, ELECTRICITE, ENERGIE S.A.
发明人
分类号
F02B71/04
主分类号
F02B71/04
代理机构
代理人
主权项
地址
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