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发明名称
Balancing device
摘要
申请公布号
US2641877(A)
申请公布日期
1953.06.16
申请号
US19520266987
申请日期
1952.01.17
申请人
RALPH F. ANDERSON
发明人
ANDERSON SWAN F.
分类号
B24D99/00
主分类号
B24D99/00
代理机构
代理人
主权项
地址
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