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发明名称
Piston
摘要
申请公布号
US1767169(A)
申请公布日期
1930.06.24
申请号
US19290417492
申请日期
1929.12.30
申请人
FRANK BUTZEN THOMAS;OLSON THOMAS C
发明人
BUTZEN THOMAS FRANK;OLSON THOMAS C.
分类号
F02F3/02
主分类号
F02F3/02
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代理人
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