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发明名称
Adjustable rotary mechanism
摘要
申请公布号
US1989118(A)
申请公布日期
1935.01.29
申请号
US19300437960
申请日期
1930.03.22
申请人
SVENSON ERNEST J
发明人
SVENSON ERNEST J.
分类号
F04B49/12
主分类号
F04B49/12
代理机构
代理人
主权项
地址
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