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经营范围
发明名称
Lens turner for high vacuum evaporators
摘要
申请公布号
US3396696(A)
申请公布日期
1968.08.13
申请号
US19660584890
申请日期
1966.10.06
申请人
RALPH F. BECKER
发明人
BECKER RALPH F.
分类号
C23C14/50
主分类号
C23C14/50
代理机构
代理人
主权项
地址
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