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发明名称
Method and apparatus for making cored articles of plastic material
摘要
申请公布号
US1939894(A)
申请公布日期
1933.12.19
申请号
US19280263684
申请日期
1928.03.22
申请人
THE B.F. GOODRICH COMPANY
发明人
GOODWIN JOHN O.
分类号
B29C45/14
主分类号
B29C45/14
代理机构
代理人
主权项
地址
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