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发明名称
Rope puller
摘要
申请公布号
US2259642(A)
申请公布日期
1941.10.21
申请号
US19390303123
申请日期
1939.11.06
申请人
JOHN F. FONDER;JAMES A. HOYT
发明人
HOYT JOHN A.
分类号
A01G3/025
主分类号
A01G3/025
代理机构
代理人
主权项
地址
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