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发明名称
Tube making process
摘要
申请公布号
US2628516(A)
申请公布日期
1953.02.17
申请号
US19490103846
申请日期
1949.07.09
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
BRACE PORTER H.
分类号
B21C37/14
主分类号
B21C37/14
代理机构
代理人
主权项
地址
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