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经营范围
发明名称
Heater for vacuum metalizing apparatus
摘要
申请公布号
US2693521(A)
申请公布日期
1954.11.02
申请号
US19510263297
申请日期
1951.12.26
申请人
ALEXANDER VACUUM RESEARCH, INC.
发明人
ALEXANDER PAUL
分类号
C23C14/24
主分类号
C23C14/24
代理机构
代理人
主权项
地址
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