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发明名称
Fork construction
摘要
申请公布号
US2170966(A)
申请公布日期
1939.08.29
申请号
US19380199803
申请日期
1938.04.04
申请人
ECKHOLD CHARLES G
发明人
ECKHOLD CHARLES G.
分类号
B25G3/02
主分类号
B25G3/02
代理机构
代理人
主权项
地址
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