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发明名称
Apparatus for splitting, spreading, and flattening pipe
摘要
申请公布号
US2313702(A)
申请公布日期
1943.03.09
申请号
US19420429628
申请日期
1942.02.05
申请人
NATHAN BRACHMAN
发明人
ALLEN ALEXANDER C.
分类号
B21C37/02
主分类号
B21C37/02
代理机构
代理人
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地址
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