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发明名称
Piston blanks
摘要
申请公布号
US3009237(A)
申请公布日期
1961.11.21
申请号
US19540406007
申请日期
1954.01.25
申请人
CARL LEHMEIER
发明人
LEHMEIER CARL
分类号
B21K1/18;F02F3/00;F16J1/00
主分类号
B21K1/18
代理机构
代理人
主权项
地址
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