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发明名称
Improvements in or relating to the measurement of undulations of gear teeth
摘要
申请公布号
GB836233(A)
申请公布日期
1960.06.01
申请号
GB19570013196
申请日期
1957.04.25
申请人
AKTIEBOLAGET DE LAVALS ANGTURBIN
发明人
分类号
主分类号
代理机构
代理人
主权项
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