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发明名称
Blade mounting for underground crop diggers
摘要
申请公布号
US1815087(A)
申请公布日期
1931.07.21
申请号
US19290397236
申请日期
1929.10.04
申请人
ZUCKERMAN ROSCOE C
发明人
ZUCKERMAN ROSCOE C.
分类号
A01D17/10
主分类号
A01D17/10
代理机构
代理人
主权项
地址
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