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发明名称
Broaching equipment
摘要
申请公布号
US1802053(A)
申请公布日期
1931.04.21
申请号
US19280304210
申请日期
1928.09.06
申请人
COLONIAL TOOL COMPANY
发明人
HALBORG CARL J.
分类号
B23D41/04
主分类号
B23D41/04
代理机构
代理人
主权项
地址
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