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发明名称
Piston and skirt expanding ring therefor
摘要
申请公布号
US1806416(A)
申请公布日期
1931.05.19
申请号
US19300452936
申请日期
1930.05.16
申请人
PHILLIPS HAROLD F
发明人
PHILLIPS HAROLD F.
分类号
F16J1/06
主分类号
F16J1/06
代理机构
代理人
主权项
地址
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