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经营范围
发明名称
Piston spreader
摘要
申请公布号
US2015273(A)
申请公布日期
1935.09.24
申请号
US19340756723
申请日期
1934.12.10
申请人
SEALED POWER CORPORATION
发明人
JOHNSON CHARLES E.
分类号
F16J1/06
主分类号
F16J1/06
代理机构
代理人
主权项
地址
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