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发明名称
Vacuum holder
摘要
申请公布号
US2905428(A)
申请公布日期
1959.09.22
申请号
US19550507263
申请日期
1955.05.10
申请人
BELLINGHAM CHAIN & FORGE COMPANY
发明人
RIEBESEHL ROBERT E.;HALLADAY LLOYD
分类号
G03B27/60
主分类号
G03B27/60
代理机构
代理人
主权项
地址
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