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发明名称
Expansible piston
摘要
申请公布号
US2311584(A)
申请公布日期
1943.02.16
申请号
US19410420416
申请日期
1941.11.25
申请人
SWIFT WALTER G
发明人
SWIFT WALTER G.
分类号
F02F3/02
主分类号
F02F3/02
代理机构
代理人
主权项
地址
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