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发明名称
Method of making composite piston structures
摘要
申请公布号
US2685729(A)
申请公布日期
1954.08.10
申请号
US19510225533
申请日期
1951.05.10
申请人
BOWER FRANK A;RUDOLPH DAUB
发明人
BOWER FRANK A.;DAUB RUDOLPH
分类号
F16J9/22
主分类号
F16J9/22
代理机构
代理人
主权项
地址
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