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发明名称
Extrusion device
摘要
申请公布号
US2546975(A)
申请公布日期
1951.04.03
申请号
US19460704128
申请日期
1946.10.18
申请人
FEDERAL TELEPHONE AND RADIO CORPORATION
发明人
CHURNELL FRANK J.;SMITH KENNETH E.
分类号
B29C47/20
主分类号
B29C47/20
代理机构
代理人
主权项
地址
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