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发明名称
Chuck
摘要
申请公布号
US2421226(A)
申请公布日期
1947.05.27
申请号
US19440553867
申请日期
1944.09.13
申请人
TIEDE WILLIAM A
发明人
TIEDE WILLIAM A.
分类号
B23B31/36
主分类号
B23B31/36
代理机构
代理人
主权项
地址
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