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发明名称
SELECTIVE PRESSURE CONTROL MEANS FOR ROAD ROLLERS
摘要
申请公布号
CA597717(A)
申请公布日期
1960.05.10
申请号
CAD597717
申请日期
申请人
KOEHRING COMPANY
发明人
JOHN F. HARRISON
分类号
主分类号
代理机构
代理人
主权项
地址
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