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发明名称
Expandible collet for gripping work pieces
摘要
申请公布号
US3050313(A)
申请公布日期
1962.08.21
申请号
US19600015966
申请日期
1960.03.18
申请人
GUSZTAV LENGYEL
发明人
LENGYEL GUSZTAV
分类号
B23B31/40
主分类号
B23B31/40
代理机构
代理人
主权项
地址
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