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经营范围
发明名称
Sewing machine lubrication
摘要
申请公布号
US2112172(A)
申请公布日期
1938.03.22
申请号
US19350052312
申请日期
1935.11.30
申请人
UNION SPECIAL MACHINE COMPANY
发明人
JR. RICHARD MACKAY,
分类号
D05B71/02
主分类号
D05B71/02
代理机构
代理人
主权项
地址
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