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经营范围
发明名称
Method and apparatus for forming openings in tubular members
摘要
申请公布号
US3259003(A)
申请公布日期
1966.07.05
申请号
US19640378371
申请日期
1964.06.26
申请人
AMERICAN RADIATOR & STANDARD SANITARY CORPORATION
发明人
GRIFFIN JAMES R.
分类号
B21D28/28
主分类号
B21D28/28
代理机构
代理人
主权项
地址
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