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经营范围
发明名称
Gear cutter
摘要
申请公布号
US2202407(A)
申请公布日期
1940.05.28
申请号
US19370176282
申请日期
1937.11.24
申请人
SYKES WILLIAM E
发明人
SYKES WILLIAM E.
分类号
B23F21/10
主分类号
B23F21/10
代理机构
代理人
主权项
地址
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