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经营范围
发明名称
HELICAL LOBE COMPRESSOR
摘要
申请公布号
CA459292(A)
申请公布日期
1949.08.30
申请号
CAD459292
申请日期
申请人
JAMES HOWDEN AND COMPANY LIMITED
发明人
PER HELGE NATANAEL ULANDER
分类号
主分类号
代理机构
代理人
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