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发明名称
Extruder
摘要
申请公布号
US2683895(A)
申请公布日期
1954.07.20
申请号
US19500175100
申请日期
1950.07.21
申请人
GENERAL MOTORS CORPORATION
发明人
SCOFIELD ROBERT O.
分类号
B29C47/08;B29C47/28;B29C47/50
主分类号
B29C47/08
代理机构
代理人
主权项
地址
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