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发明名称
Apparatus for forming sections of shaped sheet material
摘要
申请公布号
US2234999(A)
申请公布日期
1941.03.18
申请号
US19380221126
申请日期
1938.07.25
申请人
YODER CARL M
发明人
YODER CARL M.
分类号
B23D15/00
主分类号
B23D15/00
代理机构
代理人
主权项
地址
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