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公开(公告)号:US2518850A
公开(公告)日:1950-08-15
申请号:US6773348
申请日:1948-12-28
Applicant: GEN ELECTRIC
Inventor: AKEROYD JULIUS A
CPC classification number: B29C45/14008 , H01J9/46 , H01J2893/0096
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2.
公开(公告)号:US1210238A
公开(公告)日:1916-12-26
申请号:US11518616
申请日:1916-08-16
Applicant: GEN ELECTRIC
Inventor: WALKER THOMAS I , AKEROYD JULIUS A
CPC classification number: C03B5/173
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公开(公告)号:US1210237A
公开(公告)日:1916-12-26
申请号:US1911606401
申请日:1911-02-03
Applicant: GEN ELECTRIC
Inventor: WALKER THOMAS I , AKEROYD JULIUS A
CPC classification number: B21J15/32
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公开(公告)号:US1747040A
公开(公告)日:1930-02-11
申请号:US24312127
申请日:1927-12-28
Applicant: GEN ELECTRIC
Inventor: AKEROYD JULIUS A
IPC: B21C37/20
CPC classification number: B21C37/207
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