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发明名称
Collapsible wheel chuck
摘要
申请公布号
US1746415(A)
申请公布日期
1930.02.11
申请号
US19280310557
申请日期
1928.10.05
申请人
BURKART JOSEPH A
发明人
BURKART JOSEPH A.
分类号
B60T3/00
主分类号
B60T3/00
代理机构
代理人
主权项
地址
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