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发明名称
An Extrusion Screw and an Extrusion Machine provided with a Screw according to the Invention
摘要
申请公布号
GB1166754(A)
申请公布日期
1969.10.08
申请号
GB19670027166
申请日期
1967.06.13
申请人
RAYMOND COHEN
发明人
RAYMOND COHEN
分类号
B29C47/60
主分类号
B29C47/60
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代理人
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