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发明名称
Apparatus for sizing pistons
摘要
申请公布号
US1794797(A)
申请公布日期
1931.03.03
申请号
US19280271726
申请日期
1928.04.21
申请人
ROCKWELL HUGH M
发明人
ROCKWELL HUGH M.
分类号
B23P15/10
主分类号
B23P15/10
代理机构
代理人
主权项
地址
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