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发明名称
Shaft or beam
摘要
申请公布号
US2109937(A)
申请公布日期
1938.03.01
申请号
US19370144556
申请日期
1937.05.24
申请人
NIKOLA TRBOJEVICH
发明人
TRBOJEVICH NIKOLA
分类号
F16C3/02
主分类号
F16C3/02
代理机构
代理人
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地址
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