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经营范围
发明名称
Piston sealing means
摘要
申请公布号
US2844424(A)
申请公布日期
1958.07.22
申请号
US19570639991
申请日期
1957.02.13
申请人
RAND-GOETZE CORPORATION
发明人
GOETZE ROLF FRIEDRICH
分类号
F16J9/20
主分类号
F16J9/20
代理机构
代理人
主权项
地址
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