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经营范围
发明名称
Broaching machine
摘要
申请公布号
US2647443(A)
申请公布日期
1953.08.04
申请号
US19480037918
申请日期
1948.07.09
申请人
AMERICAN STEEL FOUNDRIES
发明人
WEISBERGER ARTHUR A.;HELTON ROBERT J.
分类号
B23D37/04;B23D41/04
主分类号
B23D37/04
代理机构
代理人
主权项
地址
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