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发明名称
Power unit
摘要
申请公布号
US1928633(A)
申请公布日期
1933.10.03
申请号
US19310516888
申请日期
1931.02.19
申请人
ROCKWELL EDWARD A
发明人
ROCKWELL EDWARD A.
分类号
F16D55/31
主分类号
F16D55/31
代理机构
代理人
主权项
地址
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