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发明名称
Chip breaking device
摘要
申请公布号
US2521900(A)
申请公布日期
1950.09.12
申请号
US19450614015
申请日期
1945.09.01
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
CLARK ROBERT A.
分类号
B23B47/34
主分类号
B23B47/34
代理机构
代理人
主权项
地址
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