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发明名称
Electrical sizing device
摘要
申请公布号
US1992027(A)
申请公布日期
1935.02.19
申请号
US19330688128
申请日期
1933.09.05
申请人
NORTON COMPANY
发明人
GREEN CLARENCE J.
分类号
B24B49/04
主分类号
B24B49/04
代理机构
代理人
主权项
地址
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