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发明名称
Power machine
摘要
申请公布号
US1958843(A)
申请公布日期
1934.05.15
申请号
US19310565833
申请日期
1931.09.29
申请人
BROWN WILLIAM F
发明人
BROWN WILLIAM F.
分类号
F01D1/00
主分类号
F01D1/00
代理机构
代理人
主权项
地址
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