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经营范围
发明名称
Lubricator
摘要
申请公布号
US1828317(A)
申请公布日期
1931.10.20
申请号
US19280301053
申请日期
1928.08.21
申请人
CLAPP KENNETH S
发明人
CLAPP KENNETH S.
分类号
F16N13/20
主分类号
F16N13/20
代理机构
代理人
主权项
地址
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