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发明名称
Machine for forming worms and the like
摘要
申请公布号
US2147919(A)
申请公布日期
1939.02.21
申请号
US19370157581
申请日期
1937.08.05
申请人
PERKINS JULIAN L
发明人
PERKINS JULIAN L.
分类号
B23F11/00
主分类号
B23F11/00
代理机构
代理人
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地址
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