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发明名称
Grinding machine for internal threads
摘要
申请公布号
US2218775(A)
申请公布日期
1940.10.22
申请号
US19380245786
申请日期
1938.12.14
申请人
SOCIETE GENEVOISE D'INSTRUMENTS DE PHYSIQUE
发明人
TURRETTINI FERNAND
分类号
B24B53/075
主分类号
B24B53/075
代理机构
代理人
主权项
地址
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