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公开(公告)号：US2354397A
公开(公告)日：1944-07-25
申请号：US42442541
申请日：1941-12-26
Applicant: GEN MOTORS CORP
Inventor： MILLER SIDNEY E
IPC: A61H31/02
CPC classification number: A61H31/02
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公开(公告)号：US2338255A
公开(公告)日：1944-01-04
申请号：US44115742
申请日：1942-04-30
Applicant: GEN MOTORS CORP
Inventor： MILLER SIDNEY E
IPC: A61H9/00
CPC classification number: A61H9/005
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公开(公告)号：US2552107A
公开(公告)日：1951-05-08
申请号：US50197043
申请日：1943-09-11
Applicant: GEN MOTORS CORP
Inventor： MILLER SIDNEY E , DICK HERMAN J
CPC classification number: G01N21/783 , G05D21/02
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