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发明名称
Stone picker
摘要
申请公布号
US2042193(A)
申请公布日期
1936.05.26
申请号
US19350025273
申请日期
1935.06.06
申请人
LOUIS SCHEMA
发明人
SCHEMA LOUIS
分类号
A01B43/00
主分类号
A01B43/00
代理机构
代理人
主权项
地址
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