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发明名称
Adjustable concave having shear pin
摘要
申请公布号
US2794438(A)
申请公布日期
1957.06.04
申请号
US19540435781
申请日期
1954.06.10
申请人
J. I. CASE COMPANY
发明人
HETH SHERMAN C.
分类号
A01F12/24;A01F12/28
主分类号
A01F12/24
代理机构
代理人
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地址
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