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发明名称
Hydraulic drive mechanism
摘要
申请公布号
US2173817(A)
申请公布日期
1939.09.26
申请号
US19370180818
申请日期
1937.12.20
申请人
THE CHALLENGE MACHINERY COMPANY
发明人
BARNEY FREEMAN
分类号
B23Q5/26;B26D5/04;B26D5/12;B26F1/16
主分类号
B23Q5/26
代理机构
代理人
主权项
地址
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