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经营范围
发明名称
Nonleaking device for pistons, stuffing boxes, shock absorbers, and the like
摘要
申请公布号
US2266691(A)
申请公布日期
1941.12.16
申请号
US19370173590
申请日期
1937.11.09
申请人
JEAN MERCIER
发明人
MERCIER JEAN
分类号
F16J15/40
主分类号
F16J15/40
代理机构
代理人
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地址
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