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发明名称
RECIPROCATING STEAM ENGINE PISTON AND VALVE ASSEMBLY
摘要
申请公布号
GB8307324(D0)
申请公布日期
1983.04.20
申请号
GB19830007324
申请日期
1983.03.16
申请人
HARRUP, J D
发明人
分类号
主分类号
代理机构
代理人
主权项
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