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发明名称
Internal combustion device
摘要
申请公布号
US3012549(A)
申请公布日期
1961.12.12
申请号
US19570637148
申请日期
1957.01.30
申请人
BARD
发明人
BARD FRANCIS N.;BREITENSTEIN VICTOR W.
分类号
B25D9/10;E21B1/34
主分类号
B25D9/10
代理机构
代理人
主权项
地址
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