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发明名称
Shaft coupling
摘要
申请公布号
US1939555(A)
申请公布日期
1933.12.12
申请号
US19320594072
申请日期
1932.02.19
申请人
JOHNSON CHARLES L
发明人
JOHNSON CHARLES L.
分类号
F16D3/24
主分类号
F16D3/24
代理机构
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