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经营范围
发明名称
Seed or fertilizer feeder for a cultivator or other implement
摘要
申请公布号
US2831612(A)
申请公布日期
1958.04.22
申请号
US19560628760
申请日期
1956.12.17
申请人
GLEN SMITH CLARENCE
发明人
SMITH CLARENCE GLEN
分类号
A01C7/20
主分类号
A01C7/20
代理机构
代理人
主权项
地址
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