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发明名称
Improvements in or relating to portable internal-combustion actuated tamping machines or rammers
摘要
申请公布号
GB385569(A)
申请公布日期
1932.12.29
申请号
GB19320029442
申请日期
1932.10.21
申请人
JOSEPH NAYLOR JOHNSON
发明人
分类号
E02D7/12
主分类号
E02D7/12
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