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经营范围
发明名称
Ringless sleeve piston
摘要
申请公布号
US1999644(A)
申请公布日期
1935.04.30
申请号
US19330652733
申请日期
1933.01.20
申请人
STONG JOHN C;PETERSON JOSEPH W
发明人
STONG JOHN C.;PETERSON JOSEPH W.
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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