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经营范围
发明名称
Refill mechanism for grease guns
摘要
申请公布号
US1956073(A)
申请公布日期
1934.04.24
申请号
US19320638081
申请日期
1932.10.17
申请人
KRAUSE NORMAN R
发明人
KRAUSE NORMAN R.
分类号
F16N37/02
主分类号
F16N37/02
代理机构
代理人
主权项
地址
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