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公开(公告)号:CA328914A
公开(公告)日:1932-12-27
申请号:CA328914D
Applicant: KANNEL REVOLVING DOOR COMPANY
Inventor: BLANCHARD ROBERT LUCAS
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公开(公告)号:CA327700A
公开(公告)日:1932-11-15
申请号:CA327700D
Applicant: KANNEL REVOLVING DOOR COMPANY
Inventor: BLANCHARD ROBERT LUCAS
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公开(公告)号:CA324205A
公开(公告)日:1932-07-12
申请号:CA324205D
Applicant: KANNEL REVOLVING DOOR COMPANY
Inventor: BLANCHARD ROBERT LUCAS
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