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经营范围
发明名称
Method of making composite structural members
摘要
申请公布号
US2805448(A)
申请公布日期
1957.09.10
申请号
US19550514661
申请日期
1955.06.10
申请人
DAVID RUBENSTEIN
发明人
RUBENSTEIN DAVID
分类号
B29C70/78;B32B27/00;E04B2/02;E04C1/40
主分类号
B29C70/78
代理机构
代理人
主权项
地址
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