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发明名称
Piston ring
摘要
申请公布号
US2303798(A)
申请公布日期
1942.12.01
申请号
US19400348422
申请日期
1940.07.30
申请人
SIMPLEX PRODUCTS CORPORATION
发明人
SOLENBERGER DEAN M.
分类号
F16J9/06
主分类号
F16J9/06
代理机构
代理人
主权项
地址
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