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发明名称
Worm polishing machine
摘要
申请公布号
US2142415(A)
申请公布日期
1939.01.03
申请号
US19350043669
申请日期
1935.10.05
申请人
RIORDAN JOHN M
发明人
RIORDAN JOHN M.
分类号
B23F13/04
主分类号
B23F13/04
代理机构
代理人
主权项
地址
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