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发明名称
Seal device for reciprocating piston
摘要
申请公布号
US2745660(A)
申请公布日期
1956.05.15
申请号
US19530355490
申请日期
1953.05.18
申请人
LACY OIL TOOL COMPANY
发明人
DELAHAY RAYMOND D.
分类号
F16J1/09
主分类号
F16J1/09
代理机构
代理人
主权项
地址
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