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发明名称
Piston ring
摘要
申请公布号
US1856271(A)
申请公布日期
1932.05.03
申请号
US19300492550
申请日期
1930.10.31
申请人
THE SIMPLEX PISTON RING COMPANY OF AMERICA, INC.
发明人
SOLENBERGER DEAN M.
分类号
F16J9/06;F16J9/20
主分类号
F16J9/06
代理机构
代理人
主权项
地址
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