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发明名称
Chuck
摘要
申请公布号
US3099457(A)
申请公布日期
1963.07.30
申请号
US19600033542
申请日期
1960.06.02
申请人
N. A. WOODWORTH COMPANY
发明人
HOHWART GEORGE;TOTH PAUL
分类号
B23B31/18
主分类号
B23B31/18
代理机构
代理人
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