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发明名称
Chuck
摘要
申请公布号
US2591287(A)
申请公布日期
1952.04.01
申请号
US19490097112
申请日期
1949.06.04
申请人
REVERE CAMERA COMPANY
发明人
PELLAR FRED;ZIVNY JOSEPH C.
分类号
B23B31/12
主分类号
B23B31/12
代理机构
代理人
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