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经营范围
发明名称
Filament cleaning, cutting, and forming machine
摘要
申请公布号
US1936559(A)
申请公布日期
1933.11.21
申请号
US19300492545
申请日期
1930.10.31
申请人
JOSEPH F. BRANDENBURG
发明人
WILLIAMS JOHN A.
分类号
H01J9/06
主分类号
H01J9/06
代理机构
代理人
主权项
地址
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