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发明名称
Method of and means for perfecting gears and gear shaped articles
摘要
申请公布号
US1881382(A)
申请公布日期
1932.10.04
申请号
US19290339018
申请日期
1929.02.11
申请人
ERNEST WILDHABER
发明人
WILDHABER ERNEST
分类号
B23F19/04
主分类号
B23F19/04
代理机构
代理人
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地址
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