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经营范围
发明名称
SLIDING VACUUM SEAL FOR ELECTRON BEAM WELDER
摘要
申请公布号
US3435185(A)
申请公布日期
1969.03.25
申请号
USD3435185
申请日期
1966.01.11
申请人
ROHR CORP.
发明人
MILAN E. GERARD
分类号
B23K15/06;H01J37/18;(IPC1-7):B23K15/00
主分类号
B23K15/06
代理机构
代理人
主权项
地址
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