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经营范围
发明名称
SCREW ROTOR MACHINE
摘要
申请公布号
CA799839(A)
申请公布日期
1968.11.26
申请号
CAD799839
申请日期
申请人
ALF LYSHOLM
发明人
ALF LYSHOLM
分类号
主分类号
代理机构
代理人
主权项
地址
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