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经营范围
发明名称
Pipe pick and tamper
摘要
申请公布号
US2894515(A)
申请公布日期
1959.07.14
申请号
US19550527836
申请日期
1955.08.11
申请人
WISMER JR ELI F
发明人
JR. ELI F. WISMER,
分类号
A24F9/04
主分类号
A24F9/04
代理机构
代理人
主权项
地址
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