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发明名称
HELICAL BARBED TAPE UNIT
摘要
申请公布号
GB1221178(A)
申请公布日期
1971.02.03
申请号
GB19690032598
申请日期
1969.06.27
申请人
PHYSICS TECHNOLOGY LABORATORIES, INC.
发明人
PAUL T. MECKEL
分类号
B21F25/00;F41H11/08
主分类号
B21F25/00
代理机构
代理人
主权项
地址
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