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发明名称
Gear wheel testing instrument
摘要
申请公布号
GB736574(A)
申请公布日期
1955.09.07
申请号
GB19530029389
申请日期
1953.10.23
申请人
DANIEL ERNST
发明人
分类号
G01B5/20
主分类号
G01B5/20
代理机构
代理人
主权项
地址
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