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发明名称
Index head
摘要
申请公布号
US2371902(A)
申请公布日期
1945.03.20
申请号
US19420430265
申请日期
1942.02.10
申请人
LONG VERNE V
发明人
LONG VERNE V.
分类号
B23Q16/02
主分类号
B23Q16/02
代理机构
代理人
主权项
地址
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