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发明名称
Method of curving material
摘要
申请公布号
US2327706(A)
申请公布日期
1943.08.24
申请号
US19410392747
申请日期
1941.05.09
申请人
JOHNS-MANVILLE CORPORATION
发明人
HALSTEAD RALPH T.
分类号
B26D1/24;B29C53/04
主分类号
B26D1/24
代理机构
代理人
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