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发明名称
Portable implement support
摘要
申请公布号
US2228558(A)
申请公布日期
1941.01.14
申请号
US19380214951
申请日期
1938.06.21
申请人
CHILDERSS WILLIAM S
发明人
CHILDERSS WILLIAM S.
分类号
A01B49/04
主分类号
A01B49/04
代理机构
代理人
主权项
地址
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