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发明名称
Hydraulic ram
摘要
申请公布号
US1989580(A)
申请公布日期
1935.01.29
申请号
US19330656015
申请日期
1933.02.09
申请人
ASBURY DORSEY F
发明人
ASBURY DORSEY F.
分类号
F04F7/02
主分类号
F04F7/02
代理机构
代理人
主权项
地址
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