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发明名称
Pistons
摘要
申请公布号
GB337344(A)
申请公布日期
1930.10.27
申请号
GB19290013157
申请日期
1929.04.27
申请人
JOHN WESLEY MCQUAID
发明人
分类号
F16J1/00
主分类号
F16J1/00
代理机构
代理人
主权项
地址
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